Managing Members

  1. John T. Preston

  2. Christopher J. Nagel, Sc.D.

  3. Michael E. Porter, Ph.D.

  4. Anton Rupert

Executive Management

• Reed “Kevin” Welch

• Christopher H. Reynolds

• Claire A. Chanenchuk, Ph.D.

• Bruce J. Kaiser, Ph.D.

Advisory Board

• Paul Edward Gray, Sc.D., former president, MIT

• Dudley R. Herschbach, Ph.D., Nobel Laureate, Chemistry

  1. Gen. Larry D. Welch (Ret.), former Chief of Staff, USAF

  2. Clayton K. Yeutter, Esq., Ph.D., former Secretary of Agriculture

Clayton K. Yeutter

Dr. Yeutter is currently with Hogan Lovells, LLP, a large international law firm based in Washington, DC, where his primary focus is on international trade. He also has extensive experience in corporate restructuring and corporate governance. He previously served in government as U.S. Secretary of Agriculture, U.S. Trade Representative, and as Counselor to the President for Domestic Policy. In the political world he served as Chairman of the Republican National Committee, and in the private sector he was President and CEO of the Chicago Mercantile Exchange.

Dr. Yeutter has served on the boards of several Fortune 100 companies, including Texas Instruments, Caterpillar, Weyerhaeuser, ConAgra Foods, and FMC Corporation. In the mutual funds arena he spent several years as Chairman of the Oppenheimer Funds complex.

Dr. Yeutter received his B.S. (animal science), J.D. (law), and Ph.D. (agricultural economics) degrees from the University of Nebraska, all with highest honors. He has been awarded Honorary Doctorate degrees from eight universities.

Managing Members

John T. Preston

John Preston is co-founder of TEM Capital and co-founder of Continuum Energy Technologies, LLC (CET).  Mr. Preston’s primary expertise is in energy, environment, technology and entrepreneurship.

Prior to co-founding CET, Mr. Preston was the Director of Technology Development and Licensing at MIT, where he was responsible for the commercialization of intellectual property developed at the university. In that capacity, he oversaw activities that led to the creation of hundreds of new technology-based companies and the negotiation of thousands of licenses with existing companies. He also oversaw many complex negotiations, including the creation of the U.S. standard for high definition television, while representing MIT on the HDTV Grand Alliance.

Mr. Preston is the recipient of numerous awards and honors including the rank of “Knight of the Order of National Merit of France” by former French President Mitterrand,  the “Hammer Award for Reinventing Government” by former Vice President Gore, the Thomas Jefferson Award, given to the leading American in technology transfer, and the Renaissance Engineering and Science award from Stevens Institute of Technology.  He earned a B.S. in physics from the University of Wisconsin,  an M.B.A. from Northwestern University and is an Honorary Alumnus of the Massachusetts Institute of Technology.

Christopher J. Nagel

Christopher Nagel is the scientific co-founder of CET. Dr. Nagel has overseen the building of plants totaling $175 million and has managed technical relationships with partners like Westinghouse, Fluor Daniels and Krupp-Uhde  throughout his career.  He led the design for three first-of-their-kind commercial facilities (all of which used liquid metal reactors), including one for treating radioactive ion-exchange resin treatment that ultimately serviced about 82 of the 105 nuclear power plants in the United States. 

In addition, Dr. Nagel has served as the lead or principal investigator for numerous government contracts investigating the use of liquid metal reactors for the destruction of pernicious wastes such as PCBs, dioxins, chemical weapons and nerve agents, mixed wastes (both radioactive and hazardous), and ordnances. The resulting technology was awarded Technology of the Year by Industry Week and earned multiple local and national EPA awards, including recycling designations in Massachusetts and Tennessee and the EPA's Best Demonstrated Available Technology (BDAT) designation for chlorinated, isocyanate, and other hazardous and difficult to treat wastes.  While developing the technology, Dr. Nagel was awarded the MA Safety Council Group Safety Award and the EPA New England Environmental Leadership Award.

Dr. Nagel has served on multiple executive committees, including at Westinghouse and Fluor Daniel, and has produced over 60 patented inventions, dozens of publications, and numerous presentations to the National Academies. He served on the Visiting Committee of the MIT Chemical Engineering Department and, in 1995, was recognized by the U.S. National Academy of Engineering as one of the top 20 young engineers in the country. He earned a B.S. in chemical engineering from Michigan Technological University and an Sc.D.  in chemical engineering from the Massachusetts Institute of Technology.

Michael E. Porter

Michael Porter is a leading authority on competitive strategy, specifically the competitiveness and economic development of nations, states and regions and the application of competitive principles to social problems such as health care, the environment and corporate responsibility. He  is generally recognized as the father of the modern strategy field, as has been identified in a variety of rankings and surveys as the world’s most influential thinker on management and competitiveness.

Dr. Porter is the Bishop William Lawrence University Professor, based at Harvard Business School, the  highest professional recognition that can be awarded to a Harvard faculty member. In 2001, Harvard Business School and Harvard University jointly created the Institute for Strategy and Competitiveness, dedicated to furthering Professor Porter’s work.

He is the author of 18 books and over 125 articles. He earned a B.S.E. with high honors in aerospace and mechanical engineering from Princeton University, where he was elected to Phi Beta Kappa and Tau Beta Pi; an M.B.A. with high distinction from the Harvard Business School, where he was a George F. Baker Scholar; and a Ph.D. in business economics from Harvard University.

Anton Rupert

Anton Rupert holds the board seat for Reinet Investments S.C.A. Mr. Rupert grew up in South Africa, where he studied before joining his father in their family businesses: Compagnie Financière Richemont SA, Remgro, Ltd., and Reinet S.C.A. He is currently a director or managing member of  CET, Meridian Audio, Ltd., the South African Golf Development Board, and Reinet Investment Advisors Ltd.

Executive Management

Reed “Kevin” Welch

Kevin Welch has over 30 years of experience in the technology integration business. He has held a number of positions of increasing responsibility in engineering, finance, mergers and acquisition, business development, government affairs, business unit management, strategic planning and corporate oversight.

Prior to CET, Mr. Welch was an executive and program director at the Lockheed Martin Corporation, where he managed program efforts in space science and exploration, government and commercial telecommunications, launch vehicle development, aviation, weapons systems integration, energy production, high energy physics, environmental systems, advanced projects and intelligence. He managed the Research & Development and Advanced Development organization for Lockheed Martins’ Space Systems Company, overseeing hundreds of R&D and advanced development projects, seeing many through to fully deployed systems.

Mr. Welch is a graduate of Loyola University, Tulane, and Louisiana State University, holding degrees in business engineering and economics.

Christopher H. Reynolds

Chris Reynolds has over 30 years of Wall Street, private equity and entrepreneurial experience focused on commercializing high technology.

He started his career in Morgan Keegan's High-Technology Office, where he covered the networking equipment sector and specialized in opportunities in cellular communications, the shift to closer satellite spacing, and the transition from satellite to fiber. He subsequently joined Morgan's research affiliate, the Yankee Group, where he covered factory automation networks and enjoyed a client renewal rate in the top decile. Mr. Reynolds founded and led two venture-backed Internet start-ups where he helped close technology and distribution deals with garage-stage ventures and Fortune 200 companies.

He holds a B.A. from Dartmouth College, is a member of IEEE, and has five patents issued and pending. Mr. Reynolds relishes the venture development process and has served as a section mentor for innovation classes at MIT and RISD.  He is an avid lacrosse coach and a former co-leader of lacrosse referee instruction for Massachusetts.

Claire A. Chanenchuk

Claire Chanenchuk has spent over 20 years in technology development for the private sector and government.

Dr. Chanenchuk’s career has spanned synthetic fuels development for the U.S. DOE and SASOL, the global leader in CTL and GTL technology; environmental technology deployment serving multi-national chemical companies (Hoechst Celanese, Dow Chemical, Dupont); the nuclear fuel industry; and private consulting for start-ups and materials companies. Her interests lie in the application of technology to commercial needs, holding positions such as Managing Director, Technical Applications, Technical Liaison, and Marketing Director. She has authored more than 20 technical papers and has presented internationally.

Dr. Chanenchuk earned her M.S and Ph.D.from the Massachusetts Institute of Technology and graduated summa cum laude from the Johns Hopkins University.  While at MIT, she obtained her minor from the Sloan School of Management, edited the definitive text on Heterogeneous Catalysis and was awarded the J. Edward Vivian award for excellence in Chemical Engineering.

Bruce J. Kaiser

Bruce Kaiser specializes in nuclear physics and high energy radiation interaction theory. Bruce holds 10 patents in this discipline (four in the field of X-Ray Fluorescence, XRF).  He has written over 50 technical papers in the fields of chemistry, physics, archaeology and conservation.

Dr. Kaiser was a principal in starting up and building KeyMaster Technologies, the company that now manufactures the most advanced handheld XRF analytical instrument in the world. This company was acquired by Bruker Corporation in July 2006, where Dr. Kaiser served as Chief Scientist. He previously held several executive leadership positions, including Plant Manager of Nuclear Fuel Manufacturing at GE, Department Manager of Chemical Sciences at Pacific Northwest National Laboratory for Battelle, Vice-President of Nuclear Fuel at ABB, and General Manager of Government Technical Services at Washington Group International. Dr. Kaiser earned his Ph.D. in Nuclear Engineering Science from the University of Florida.

Advisory Board

Paul Edward Gray

Paul Edward Gray was the fourteenth President of MIT (1980-1990) and Chairman of the MIT Corporation (1990-1997).

He began his MIT career in 1957 as an instructor and quickly advanced to  assistant then associate professor. He became a professor in 1967 and was MIT Class of 1922 Professor of Electrical Engineering, 1968-1971. His career continued to advance as he was named Associate Dean for Student Affairs (1965-1967), Associate Provost (1969-1970), Dean of the School of Engineering (1970-1971)  and Chancellor (1971-1980).

After his retirement from the chairmanship, Dr. Gray resumed his teaching and advising activities. Among the programs at MIT that he helped establish are the Undergraduate Research Opportunities Program (UROP), the Leaders for Manufacturing Program and the affiliation with the Whitehead Institute for Biomedical Research. He was chairman of the Task Force on Educational Opportunity (1968-1973), and encouraged curriculum reforms in the 1980s that strengthened the humanities, social sciences and biology in the undergraduate curriculum.

Dr. Gray’s public service includes four years on the White House Science Council and membership on the Council’s Panel on the Health of Universities; he was also Vice Chairman of the Council on Competitiveness. His field of research is semiconductor electronics and circuit theory. He is the author of two texts, “The Dynamic Behavior of Thermoelectric Devices” (1960) and “Introduction to Electronics” (1967), and a co-author of five other books including “Electronic Principles: Physics, Models and Circuits” written with Campbell L. Searle of MIT. Dr.  Gray earned a B.S., S.M., and Sc.D. in electrical engineering from the Massachusetts Institute of Technology.

Dudley R. Herschbach

Dudley Herschbach is a 1986 Nobel Laureate in Chemistry and Baird Professor of Science, Emeritus, at Harvard. He has published over 400 papers and his current research is devoted to methods of orienting molecules for studies of collision stereodynamics, means of slowing and trapping molecules in order to examine chemistry at long deBroglie wavelengths, reactions in catalytic supersonic expansions, and a dimensional scaling approach to strongly correlated many-particle interactions, in electronic structure and Bose-Einstein condensates.

His teaching career began at Harvard as a Junior Fellow in the Society of Fellows (1957-1959). He was then a member of the Chemical Faculty at the University of California, Berkeley (1959-1963), before returning to Harvard as Professor of Chemistry, where he also served as Chairman of the Chemical Physics program (1964-1977) and the Chemistry Department (1977-1980), and as Co-Master with his wife Georgene of Currier House (1981-1986). His teaching includes graduate courses in quantum mechanics, chemical kinetics, molecular spectroscopy and collision theory, as well as undergraduate courses in physical chemistry and general chemistry for freshmen, his most challenging assignment.

Dr. Herschbach is a Fellow of the American Academy of Arts and Sciences, the National Academy of Sciences, the American Philosophical Society, and the Royal Chemical Society of Great Britain. His many awards include the Pure Chemistry Prize of the American Chemical Society (1965), the Linus Pauling Medal (1978), the Michael Polanyi Medal (1981), the Irving Langmuir Prize of the Americal Physical Society (1983), the Nobel Prize in Chemistry (1986) jointly with Yuan T. Lee and John C. Polanyi, the National Medal of Science (1991), the Jaroslav Heyrovsky Medal (1992), the Sierra Nevada Distinguished Chemist Award (1993), the Kosolapoff Award of the ACS (1994), the William Walker Prize (1994), being named by Chemical Engineering News among 75 leading contributors to the chemical enterprise in the past 75 years (1998), and the Council of Scientific Society President's Award for Support of Science (1999).

Dr. Herschbach is engaged in several efforts to improve K-12 science education and public understanding of science. He serves as Chair of the Board of Trustees of Science Service, which publishes Science News and conducts the Intel Science Talent Search and the Intel International Science and Engineering Fair. He earned his B.S. degree in Mathematics (1954) and M.S. in Chemistry (1955) at Stanford University, followed by an A.M. degree in Physics (1956) and Ph.D. in Chemical Physics (1958) at Harvard.

Gen. Larry D. Welch (Ret.)

General Welch has held a variety of senior leadership positions in the United States Air Force.  From 1982-1984 he was the Commander, 9th Air Force followed by his appointment as Deputy Chief of Staff, Programs and Resources. In 1985, General Welch became Vice Chief of Staff of the Air Force, where in 1986 he replaced General Bennie L. Davis, as  Commander, Strategic Air Command (SAC).

On July 1, 1986, General Welch was selected by former President Ronald Reagan as the Chief of Staff of the Air Force, the highest leadership position in the Air Force, which he held for 4 years.

The general was a command pilot and has more than 6,500 flying hours. As an F-4 pilot, General Welch flew over 150 combat missions over the Republic of Vietnam.  His military decorations and awards include the Defense Distinguished Service Medal, Distinguished Service Medal, Legion of Merit, Distinguished Flying Cross, Meritorious Service Medal, Air Medal, Air Force Commendation Medal, Joint Meritorious Unit Award and Air Force Outstanding Unit Award with Valor.

After retiring from active military service, he served as president of the Institute for Defense Analyses (IDA) and then Board Member of the private military company CACI.  In 2006 he became the CEO of the IDA.  He retired from the CEO position in 2009 in and is currently a Senior Fellow at IDA. He is also a member of the Board of Directors of the Henry L. Stimson Center and is active in the Council on Foreign Relations and the Defense Science Board.