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SPEAKERS
FEATURED SPEAKERS
* Heinberg & Darley appear via live
interactive video conference
SPEAKERS
** Prerecorded video presentation
SPEAKER BIOGRAPHIES
DAVID ALEXANDER
David Alexander comes from a background of
science and technology,
particularly computer software development, and has run Opal Computing since
1986. Alexander started the
PlanetThoughts.org Web site to raise awareness
of critical environmental issues, and to encourage action through better
understanding. He has begun organizing events for days such as Earth Day and
Step It Up, and has also been organizing events and meeting in the virtual
world of Second Life. Alexander has been making extensive use of social
networking and other Internet-based methods to get information to a larger
audience.
KATIE ALVORD
Best known as the author of Divorce Your Car!
Ending the Love Affair with the Automobile, Katie Alvord writes about
transportation reform, land preservation, climate change, and green living.
She also speaks internationally on transportation reform. Alvord has served
on local environmental and bicycle advisory committees, has been recognized
as a Clean Air Champion for living without a car in a rural part of northern
California, and recently won the AAAS 2007 Science Journalism Award for
Online Reporting for her series on climate change around Lake Superior. She
currently lives in Michigan.
SHARON ASTYK
Sharon Astyk is the author of the forthcoming
books "Depletion and Abundance: Or Life on the New Home Front" and "A Nation
of Farmers (and Cooks!)". When not writing she and her husband farm 27
acres in rural upstate NY, raise their sons and try to keep the sheep out of
the garden.
MEGAN QUINN BACHMAN
Megan Quinn-Bachman is the Outreach Director
of Community Service and has been writing and speaking on peak oil since
2003. She serves as Master of Ceremonies for the U.S. Conferences on Peak
Oil and Community Solutions in Yellow Springs, Ohio. Quinn-Bachman’s
articles on peak oil appeared in Communities, Permaculture Activist,
WellBeing, Vermont Commons, Energy Bulletin and Global Public Media. She
co-wrote and co-produced the documentary, The Power of Community: How Cuba
Survived Peak Oil. Quinn-Bachman earned a degree in Diplomacy and Foreign
Affairs from Miami University and studied abroad at the University of Havana
in Cuba.
Presentation Online Now!
Dr. JAN BARTLETT
This
past summer Dr. Bartlett and her family intentionally moved to a rural Iowa
village of 2700 citizens. Jan Bartlett, Ph.D. is the graduate coordinator
for Counseling at the University of Northern Iowa. Greening our communities,
multiculturalism, and advocacy issues are personal and academic passions.
Dr. Bartlett has numerous publications, and has given many regional,
national, and international presentations and workshops. Her research
focused on the role of intergenerational connections in youth development,
has evolved into research, advocacy, and community involvement on green
linking issues, documentary film, and a regular perspectives column in the
Grundy County Register.
ALBERT BATES
Albert Bates is a
permaculture and appropriate technology instructor at the Ecovillage
Training Center, founder of the Ecovillage Network of the Americas and past
president of the Global Ecovillage Network. Having lived for 35 years in
ecovillage, he is an experienced horse trainer and
driver, cook, brickmason, farmer, solar engineer, flour miller, draftsman,
inventor, scrap wrecker, paramedic, school teacher, salesman, computer
programmer, town planner, lawyer and councilman. He is author of
eleven books, including Shutdown: Nuclear Power on Trial (1979),
Climate in Crisis (1990, foreword by Al Gore), and The Post-Petroleum
Survival Guide and Cookbook: Recipes for Changing Times (2006, foreword
by Richard Heinberg).
MARK
BAUER
Mark Bauer, owner and
president of Bauer Power, is devoted and committed to the growth of
Renewable Energy and sustainability in America and our world. He is an
instructor for the Great Lakes Renewable Energy Association (GLREA-a
renewable technology non-profit in Dimondale, MI), speaks gratis and often
at local K-12 schools, gives talks at public events and teaches non-credited
classes at local community colleges. Bauer Power just contracted this year
to install two wind turbine projects for local power companies here in MI
also, further demonstrating Bauer Powers role and leadership in the RE
movement in the Mid-west.
CHRIS BEDFORD
Chris Bedford is co-founder and President of
the Sweetwater Local Foods Market – Michigan’s first farmers market to
exclusively sell local, humanely, and sustainably raised food products. His
film, “What Will We Eat?” tells the story of a citizen’s movement to build a
healthy, local food supply for Michigan. From 2001-2004, Bedford was the
National Campaign Coordinator for Sustainable Agricultural Programs of The
Humane Society of the United States. He is currently President of the Center
for Economic Security, a non-profit located in Montague, Michigan that
develops education and organizing campaigns to bring ecological intelligence
to governmental and commercial decision making.
JOHN BARRIE
John Barrie is a principal architect with
John Barrie Associates Architects in Ann Arbor, MI. and also Executive
Director of the Appropriate Technology Collaborative, a Nonprofit company
whose purpose is "To design, develop, demonstrate and distribute appropriate
technological solutions for meeting the basic human needs of low income
people in the developing world". In addition to his design work, John Barrie
has been an Adjunct Professor of Architecture at the University of Michigan
and an Adjunct faculty member at Washtenaw Community College.
MICHAEL BROWNLEE
Michael
Brownlee is co-founder of Boulder County Going Local (www.bouldergoinglocal.com),
a non-profit social venture committed to increasing public awareness of the
challenges and opportunities of The Long Emergency (converging global crises
of peak oil, global warming,
and economic chaos). A catalyst for relocalization (developing community
self-reliance in food, energy, and economy), the organization is conducting
a county-wide campaign to rebuild community and strengthen the local
economy, beginning a ten-year transition to a carbon-constrained future.
Michael also
serves on the Board of Directors of Boulder Independent Business Alliance,
and the Boulder County Food and Agriculture Policy Council.
TOM
BULTEN
Tom
Bulten has almost 20 years experience in community development. He lived
and worked in Uganda, East Africa from 1990 to 1997 where he promoted
community and organizational development in agriculture, micro business, and
primary healthcare. In 2000 Tom earned a master’s degree in geography and
urban affairs from Michigan State University. He has been the executive
director of Oakdale Neighbors, a Christian community development
organization, since 2005 and has taught world regional geography at Calvin
College. In late 2007, Tom and his family moved into Newberry Place, West
Michigan’s first cohousing community.
KURT COBB
Kurt Cobb is a freelance writer who speaks
and writes frequently on energy and the environment. He is a columnist for
the Paris-based science news site Scitizen (pronounced like “citizen”) and
his work has also been featured on Energy Bulletin, 321energy, Le Monde
Diplomatique, EV World, The Wall Street Journal Online and many other sites.
Cobb is a founding member of the Association for the Study of Peak Oil and
Gas—USA. He lives in Kalamazoo, Michigan and maintains a weblog called
Resource Insights.
STEVE CROWER
Steve Crower currently
works as an Energy Investment Banker for Starlight Investments, LLC and
resides in Denver, Colorado. Mr. Crower worked as a financial analyst for
FMC Technologies (NYSE:FTI) from 1996 to 2000. In 2000, left FMC
Technologies to become a founding member of Network International, an
on-line auction marketplace for oilfield equipment. In 2003, Mr. Crower
joined Capital One Southcoast, Inc in New Orleans as an Energy Investment
Banker. While at Capital One, Mr Crower worked on dozens of public equity
offerings in energy exploration, drilling, production, shipping, storage,
and distribution. Mr. Crower personally managed the sale of three refineries
and three oilfield service companies. Mr. Crower holds securities licenses
series 7, 63 and 24 and frequently presents his view of the issues
surrounding the supply issues in the petroleum industry.
JULIAN DARLEY
Julian Darley is founder
and president of Post Carbon Institute and Global Public Media. He is the
author of
High Noon for Natural Gas: the New Energy Crisis (2004). Julian
has an MSc in Environment and Social Research from University of Surrey in
the UK, an MA in Journalism and Communications from the University of Texas
at Austin, and a BA in Music & Russian. Julian currently lives in
Sebastopol, California, USA.
Dr. DAVID GOODSTEIN
David Goodstein is a U.S.
physicist and educator. Since 1988, he has served as Vice-provost of the
California Institute of Technology (Caltech), where he is also a professor
of physics. Goodstein was educated at Brooklyn College and the University
of Washington. He was the director and host of The Mechanical Universe. In
articles and speeches, he has addressed conduct and misconduct in science,
and issues related to fossil fuels and the climate of Planet Earth.
Goodstein is the author of the books “States of Matter”, “Feynman’s Lost
Lecture”, and “Out of Gas: The End of the Age of Oil”.
SARA GOSMAN
Sara
Gosman works on legal aspects of water resources management for the Great
Lakes Natural Resource Center of the National Wildlife Federation. Ms.
Gosman also teaches seminars on environmental justice and Supreme Court
litigation at the University of Michigan Law School. From 2004 to 2007, she
was an Assistant Attorney General in the Environment, Natural Resources, and
Agriculture Division of the Michigan Department of Attorney General. She
represented the Michigan Departments of Environmental Quality and Natural
Resources on legal and policy issues involving the
Great Lakes,
wetlands, inland lakes and streams, and wildlife.
FRANK
HAGGERTY
Frank Haggerty is an
advanced technology manufacturing systems engineer and a consultant and
inventor. Prompted by a review of the literature on peak oil and climate
change, he recently started a study group on these topics. Although Haggerty
attended Holdren’s course on energy and environmental policy during his
junior year at Berkeley he was first exposed to peak oil theory at Caltech
where he received his B. S. in Engineering & Applied Science in 1981.
Haggerty attended Chicago within the Committee on International Relations
where his MA thesis was to study small organizational structures useful in
cases of extreme societal stress.
RICHARD HEINBERG
Richard
Heinberg is the author of eight books including The
Party’s Over: Oil, War and the Fate of Industrial Societies,
Powerdown: Options and Actions for a Post-Carbon
World,
The Oil Depletion Protocol,
and
Peak Everything.
He is a Senior Fellow of the Post Carbon Institute and is widely regarded as
one of the world’s foremost Peak Oil educators. He writes a regular column
for The
Ecologist and
has authored scores of essays and articles that have appeared in such
journals and web sites. He has appeared in numerous video documentaries,
including Leonardo DiCaprio's
11th
Hour.
TIM HUDSON
Tim Hudson is a co-founder of the Institute
for Sustainable Energy Education (ISEE), a grass roots energy think-tank and
outreach group that focuses on providing awareness and education as it
relates to the science and economics of energy. Hudson is also business
entrepreneur and has founded and operated several Michigan based technology
companies including USConnect/Innerset(merged with NYSE: IKN) and Wynd
Communications (merged with NASDAQ: GOAM). Hudson is currently a co-founder
of Silicon Stemcell/S2 working on several high technology startups and
involved in other M&A related activities. Hudson graduated with honors with
a B.S. in Computer Science at Oakland University.
TOM KARAS
After a successful 25 year career as a Green Builder and
developer, Tom Karas has started his second career as Environmental
Advocate, specializing in energy related subjects. He started Michigan
Energy Alternatives specifically to provide opposition support for the
Michigan Coal Rush. Working alongside the professionals at the Michigan
Land Use Institute, Tom has spoken boldly to utility boards and executives
across the state, presented seminars to community groups, and been involved
in investigatory work to shine light upon the failures of the coal system.
BILL
JAMES
Bill James is founder of
JPods, an on-demand transport system that creates a circulatory system for a
economic community. Goods and people are transported on-demand. Solar
collectors 6-foot wide over the rails powers the networks. An agreement to
deploy such a system at the Mall of America is pending raising the $3
million in capital required.
James studied physics and engineering at West Point, Class of 1972. He
spent 8 years in the Infantry. He is an experienced farmer, soldier,
manufacturer and computer programmer.
Dr. OLAF LIDUMS
Olaf Lidums, D.Min., is an Assistant
Professor at Ecumenical Theological Seminary, Detroit. He teaches
courses in Ecological Ministries, Social Justice, and Urban Ministry, and
supervises M.A. and M.Div. interns. His research interests include
environmental justice, eco-psychology and systems. He is the faculty ‘point
person’ and consultant for the seminary’s environmental involvements in
community and in its early stages of developing a Green Administrative and
Classroom building.
MARK LUDWIG
Mark has
been involved with numerous farms and farm related organizations for 15
years. He has a BS degree in environmental issues from Michigan
State and a certification in
grass based dairy farming from the University of
Wisconsin’s Ag short course. Hobbies include controlled burning, seed saving and
permaculture. Mark and Kim Ludwig own Sand Lily Farms, a grass based farm
in Fennville,
Michigan.
SUE
MERRILL
Sue Merrill is the coordinator for Middleville Green
Days, a community based event looking to promote Living Well Locally.
Merrill is active with the Michigan Trails and Greenway Alliance, runs
Thorny River Kayak Company where she conducts river eco-tourism as well
as nature walks on the Paul Henry Thornapple Trail. Merrill is a
resident of Thornapple Township, Barry County Michigan.
ROBERT MCCARTY
Robert McCarty is Jack of All for the Image Shoppe
Ltd., a marketing services firm that he co-owns in Grand Rapids. While
his title may seem to be a stab at wit, it truly is the best way to sum
up what Rob does in his professional life. On top of running the sales,
accounting, operations and account management for the firm, Rob is a key
player on several initiatives in the West Michigan region; most notably:
The Turner Gateway Project, Local First West Michigan, The Gateways
Group, and Wealthy Street Business Association
DONNA McCLURKAN
Donna
McClurkan is committed to obtain 80% of her family’s food in Michigan,
within 100 miles of Kalamazoo. She is one of 15 people in the country
blogging about her experiences on Locavore Nation, a year-long project of
National Public Radio’s The Splendid Table. In addition to her
blog, Donna serves on the board of Kalamazoo Loaves & Fishes, a county-wide
network of 23 food pantries. She is also an advisor to the local food
organization Fair Food Matters. Donna draws from her prior healthcare
background (RN, MSHA) as context for the impact of food and the environment
on health outcomes.
STEPHANIE
MILLS
Stephanie Mills has been in
the vanguard of ecological activism since 1969 when she gave a news making
commencement speech on overpopulation. Since then she has lectured,
participated in conferences, served on boards, edited periodicals, and
taught. She has written scores of articles and six books dealing with
subjects from ecological restoration to technological excess and voluntary
simplicity. A longtime bioregionalist, Mills advocates decentralized,
place-based, human scale responses to the crashing follies of industrial
civilization. She was just named Great Lakes Bioneer of the Year.
DAWN MONCRIEF
Dawn Moncrief is the
executive director at FARM (the Farm Animal Rights Movement).
Originally a hunger activist, Moncrief has graduate degrees from The
George Washington University: one in International Relations specializing in
economic development, the other specializing in women-in-development. She
now advocates a plant-based diet as a common-sense solution for helping the
world’s hungry; as well as, a critical step to improve health, protect the
environment, and save animals.
PAT MURPHY
Pat Murphy is Executive Director of Community
Solutions and author of the forthcoming book Plan C – Community Survival
Strategies for Peak Oil and Climate Change. Murphy co-wrote and co-produced
the award-winning documentary film, "The Power of Community: How Cuba
Survived Peak Oil". He lectures widely on energy, peak oil, geopolitics, and
lifestyle solutions. Murphy was founder of a software company that developed
a "design for manufacturing" program for residential building, which greatly
reduced waste in the construction process. He also designed and built active
solar homes. Murphy had a long career in computer applications for
transportation, construction and energy industries.
JAN O'CONNELL
After serving the Sierra Club on its National
Board of Directors for six years and as a volunteer for over 30 years
O'Connell was hired by the Sierra Club Michigan Chapter as it’s Energy
Issues Legislative Organizer and is currently working on stopping the coal
rush to Michigan and passing Energy Efficiency & Renewable Energy
legislation. O'Connell is a graduate of Aquinas College with a Bachelor of
Science Degree in Biology & Environmental Studies and is married to Dennis
with two children, Sierra and Collin.
DAN O'KEEFE
After working on research projects involving
declining fish species and the recovery of river fisheries following
Hurricane Katrina, Dr. O’Keefe joined Michigan Sea Grant as an extension
educator. In his current role, he provides science-based information to
people who rely on the Great Lakes ecosystem, with special attention to
changes occurring due to factors such as climate change and invasive
species.
THADDEUS OWEN
Thaddeus Owen is interested in creating
sustainable, diverse, and welcoming communities based on stable, natural
ecosystems to support local needs of food, energy and health. Owen holds a
Permaculture Design Certification from The Permaculture Institute of
Australia, a Master’s of Science degree in Holistic Nutrition from Clayton
College of Natural Health and a BS in Chemical Engineering from Clarkson
University.
JASON PLIML
Jason Pliml has actively studied investing
for 16 years. Jason has never ended a year with a negative return. In 2007,
the S&P 500 increased 5.5% while Jason’s portfolio grew by 19.5%. In early
2008, with the S&P down 5%, Jason’s portfolio has risen 22%. He experienced
similar results during 1999-2000; when everyone was gambling on Internet
start-ups, Jason was busy buying proven companies and real estate investment
trusts at bargain prices. Jason currently serves as president of
MockDraftCentral, a respected name in online sports entertainment.
Previously, Jason was president of 43rd Parallel Technologies, a software
development company.
CYNTHIA PRICE
Cynthia Price is the chair and co-founder of
the Greater Grand Rapids Food Systems Council. She is also co-chair of the
national Urban Agriculture Committee of the Community Food Security
Coalition, and on the founding group of a new bi-national urban agriculture
alliance: North American Urban and Peri-urban Agriculture Alliance. She has
been interested in Peak Oil and related concerns since organizing the 2001
West Michigan visit of Dr. William Rees, originator of the ecological
footprinting concept, which led to an ever-branching study into all the
aspects of fossil fuel dependence — part of which is manifested in food
systems work.
TIM RADBOURNE
Tim Radbourne is a 20 year veteran of the
transportation, logistics and supply chain field in the United States and
Canada. Tim has worked with global shippers such as General Electric, Union
Carbide, DOW, Wal-Mart, General Motors, BMW, Disney, Exxon, Petro Canada to
name a few. Tim is an executive of the Council of Supply Chain Management
Professionals, the Global Institute of Logistics, the Maritime Logistics
Council and has spoken at numerous conferences about corporate
sustainability.
KELLY RICE
Kelly N.
Rice, PWS, is currently a Senior Ecological Resource Specialist with JFNew
in Grand Haven, Michigan. Ms. Rice is a wildlife and wetland biologist who
has worked as an environmental consultant across the country for the past 18
years. She has assisted various government, corporate, public, and private
clients with site plan development in numerous states. Ms. Rice’s background
in biological assessment, wetland design, habitat management, and
environmental permitting strategies has allowed her to assist clients with
the formulation of ecologically beneficial and economically feasible site
plans for their developments.
JOHN RICHTER
John Richter is a co-founder of the Institute
for Sustainable Energy Education (ISEE) and former president of the Great
Lakes Renewable Energy Association. Richter has presented on renewable
energy policy to Michigan legislators and the U.S. Congressional staff. He
has been a regular speaker at regional renewable energy conferences for more
than a decade, a guest lecturer at colleges and universities, and has
created curriculum materials for K-12 renewable energy education. Richter
earned a B.S. in Engineering from Oakland University, and is currently
pursuing a Master of Science in Renewable Energy through Murdoch University.
Dr. LINDA SCHWEITZER
Linda Schweitzer, Ph.D., is an Associate
Professor of Environmental Science at Oakland University, Rochester, Michigan.
Schweitzer
teaches courses in environmental chemistry and resource management. Her
research fields include water quality and treatment, and ecological
restoration. Schweitzer recently became a beekeeper and is developing courses in
environmental sustainability.
PETER
SINCLAIR
Peter Sinclair is one of
a thousand individual Climate Presenters trained by the world's leading
climate experts and Nobel Winner Al Gore to present the documented facts of
Global Climate Change to grassroots audiences throughout America. Since
January 2007, Sinclair has made this presentation to thousands of citizens
throughout Michigan. He is a life long resident of Michigan, a
graduate of the University of Michigan, and a long time advocate of
environmental awareness in the Great Lakes area.
JEFF SMITH
Since 1998, Jeff Smith has been director of
GRIID, a area media watchdog. GRIID teaches media literacy and works with
community groups to use media as an organizing tool. He has been doing
organizing work since 1982 with issues including war, racism, immigration,
solidarity and human rights. Smith worked for human rights in Central
America and Mexico and produced a documentary about that work. He lives at
the K-House, a 24 year old community house in Grand Rapids that engages in
justice work and sustainability. Smith also contributes to the locally based
online Indy Media site:
www.mediamouse.org.
CHRISTINA SNYDER
Christina Snyder is an architect and adjunct
professor at Lawrence Technological University who has specialized in
designing low-energy buildings. Snyder earned a Bachelor of Architecture
degree from University of Cincinnati and studied sustainable design and
planning at the Danish International Study Program. She was faculty adviser
to LTU students who won Michigan Zero Energy Home competitions and to the
LTU Solar Decathlon Team. Snyder is architect for Manitou Arbor Ecovillage
which will feature homes using only a tenth of the energy of Michigan
code-compliant homes, have solar rights, and are solar ready so they can
affordably become Zero Energy homes.
TOM STANTON
Tom Stanton is Coordinator of the Michigan
Public Service Commission's Michigan Renewable Energy Program. Stanton has
worked in government for nearly 30 years, in the fields of public utility
regulation, energy efficiency, and renewable energy. He has been Adjunct
Professor at Michigan State University and is a regular lecturer for the
Institute of Public Utilities at MSU. Stanton is presently completing his
Ph.D. in Public Administration at Western Michigan University. Stanton’s
Ph.D. research centers on ecological design principles and advanced decision
support systems to the planning and public policy decision making for future
electric utility infrastructure for Michigan.
JILL TERWILLIGER
Jill
Terwilliger has been a Unitarian Universalist for 38 years (a minister for 7
of those), vegetarian for 19 years, food co-op member for 15 years, and CSA
host for 5 seasons. Responding to the challenge of a church member to
preach on the “tragedy of the commons” (Garrett Hardin, 1968), Jill dove
into the tragedy of our current un-sustainable food system and swam her way
back to hope.
KEVIN WALSH
Kevin
Walsh is a librarian and founding director of Chicago Peak Oil. For many
years he lived in Santa Cruz, Ca. and worked as a mental health worker in a
psychiatric hospital, learned about beekeeping from a world class beekeeper,
as well as compost gardening and bread making. These skills were useful in
Siberia, were he taught English and lived for 2 years with his Russian wife
Larisa. Kevin worked as a reference librarian at Tufts University and the
Boston Public Library. Currently, Kevin is an ESL instructor at Truman
College, one of the Chicago City Colleges.
HENRY
WARWICK
Henry Warwick is an artist
and professor of digital media and communication theory. Born and raised in
New Jersey, he grew up amid abandoned factories and toxic superfund sites,
and those experiences have sensitised him to energy and environmental
issues. Much of his professional life has been in the software industry,
where he worked at Macromedia, Apple Computer and Napster, among other
leading edge companies. He has taught at AIC-SF, NJCU, and now at Ryerson
University in Toronto. He is an executive member of Post Carbon Toronto. He
keeps an occasional blog at http://hwarwick.blogspot.com. His website is
http://www.kether.com.
RANDY WHITE
Randy
White is a co-author of Portland, Oregon's groundbreaking Peak Oil Task
Force report entitled “Descending
the Oil Peak: Navigating the Transition from Oil and Natural Gas
“. Randy is the editor of the popular energy crash blog “Lawns To Gardens”,
and has a strong record of accurate market predictions and insight. His work
has been featured in local and national
awareness articles
as well as major
advertising campaigns.
Randy is a Peak Oil analyst and the Founder of Bright Neighbor, a software
company that creates solutions designed specifically to help society address
the challenges of Peak Oil.
BILL
WILSON
Bill Wilson (communitarian, permaculturist and
educator) is co-founder (with his wife, Rebecca) of Midwest Permaculture (www.midwestpermaculture.com);
past executive director of Center for Sustainable Community (an educational,
non-profit organization) and a 30 year resident of the sustainably oriented
community of Stelle, Illinois. Wilson teaches and inspires through
introductory talks, classes, and training on Permaculture all over the
country and online, and facilitates the Permaculture Design Certification
Course, collaborating with various experienced instructors. Wilson brings
clarity to the topic of permaculture with positive ideas for solutions to
the growing challenges facing our consumptive way of living.
AARON WISSNER
In 2008, Aaron Wissner was
featured on the
front page of the Wall Street Journal for his role in the peak oil
education campaign. Wissner founded the nonprofit educational organization
Local Future which is hosting the first ever International Conference on
Peak Oil and Climate Change: Paths to Sustainability. He speaks, writes, and
produces videos on peak oil and climate change. Wissner is a public school
teacher of sixteen years, and former president of his local, county, and
regional Education Associations. He is a graduate of the University of
Michigan with a major in Mathematics and a minor in Physical Sciences.
Talks:
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