The Keller Family has a long history of owning and operating successful privately held and publicly traded companies.  Templeton Kenly & Co., Inc., DeVry Inc.  , and Precision Plastics, Inc., all demonstrate the family’s long-term focus, core values, and ethical conduct.

Dennis J. Keller -


Dennis J. Keller is Co-Founder of DeVry Inc. and DeVry University Inc. and Director Emeritus.


Keller co-founded Keller Graduate School of Management in 1973, and served as CEO until 2004 and Chairman until he retired in 2008.  In 1987, Keller Graduate School acquired from Bell & Howell the assets of the DeVry Institutes of Technology.  Renamed DeVry Inc., the combined company completed an initial public offering in 1991. Its shares are traded on the New York Stock Exchange under the symbol DV.  Through DeVry University (which includes Keller Graduate School of Management), Ross University, Becker Professional Education, Chamberlain College of Nursing, Fanor, Western Career Colleges and Apollo College, DeVry Inc. serves nearly 150,000 students in 37 countries with programs leading to professional certifications, associate, baccalaureate and master’s degrees, and doctor of medicine and doctor of veterinary medicine degrees.


Keller is a member of the Boards of Trustees of the University of Chicago and Princeton University.  He  also serves as Co-Chairman of Princeton University's School of Engineering and Applied Sciences Leadership Council.


He is a director of Nicor Inc.  Keller is Chairman of the Board of Trustees of the African Wildlife Foundation, Vice Chairman of the Chicago Zoological Society at Brookfield Zoo, and a trustee of the Mpala Wildlife Foundation.   He also serves as a trustee of the U.S. Ski and Snowboard Team Foundation.  Keller was a consultant-evaluator for the Higher Learning Commission of the North Central Association of Colleges and Schools for more than ten years, and on two occasions an Executive in Residence co-teaching an economics course at the Colorado College.


In 1963, Keller received his undergraduate degree in economics from Princeton University, where he was a National Merit Scholar.  His master’s degree in business administra­tion was received in 1968 from the University of Chicago, where he was a Graduate School of Business Fellow.

TK Capital, LLC                                                               Chicago, Lake Geneva

Jeffrey B. Keller -


Jeff spent the past 8 years with MacLean-Fogg Company, a privately held manufacturing holding company headquartered outside of Chicago.  He was most recently the President of MacLean Vehicle Systems’ Fastener Division, a $150 million supplier of engineered components to the transportation, industrial and aerospace industries.  Prior to running the Fastener Division, Jeff held positions as the VP/GM for the Plastics and Composites Division of MacLean Vehicle Systems, a $25 million division of the company, and as the Director of Business Development for MacLean-Fogg reporting to the CFO.


Prior to returning to the US and going to work for MacLean-Fogg, Jeff worked for Bank of America in the Santiago, Chile office and was a VP in the Commercial and Investment Banking Group responsible for both large corporate and multinational accounts.


Jeff has an IMBA from the University of Chicago Booth School of Business and a BA in English from the Colorado College.


Jeff served on the Board of Templeton Kenly for 8 years prior to the sale of the company, and now serves as a Trustee at Lake Forest Academy where he attended high school and is on the Board of Directors of The Tributary Fund.

David M. Keller -


Prior to the formation of TK Capital David was a corporate attorney in the Chicago office of Greenberg Truarig, LLP.  He is a graduate of the University of Chicago Law School and a member of the Illinois Bar. 


David earned his MBA from the University of Montana and spent five years as one of two principal partners responsible for all operations at Water Master Rafts, LLC, a Missoula based manufacturer of high-end inflatable watercraft.   


David holds a BA in English Literature from The Colorado College.  Between college and business school David worked for Precision Plastics, Inc. where he rotated through the Molding, Tool and Die, Quality Control, and Engineering Divisions. 


David has served on Precision Plastic’s Board of Directors since 1999, and in 2009 he joined the Board of The Alliance for the Great Lakes, a Chicago based conservation organization focused on public policy and education. 

Temp Keller -


 Temp Keller is the Founder and Chairman of Resources for Indispensable Schools and Educators (, a national nonprofit organization working to connect second-stage teachers with schools in low-income communities where they will be more likely to succeed and remain in teaching.  Established in 2000 with one pilot school site, RISE has grown to serve more than 130 Network Schools between four metropolitan areas, working to improve student learning for over 50,000 students.


Temp was awarded the Ashoka Fellowship in 2004—one of 80 social entrepreneurs in the United States selected to join a community of over 2,000 Fellows world-wide “recognized for innovative, entrepreneurial solutions to some of the world's most pressing social problems”, as well as the Manhattan Institute’s Social Entrepreneurship Award in 2005. 


He previously taught fifth grade at the East Palo Alto Charter School in East Palo Alto, CA, and serves on the Foundation Board of both Princeton in Africa and the African Leadership Academy.  Temp received his B.A. in Politics from Princeton University and his Masters in Business Administration from The University of Chicago.