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Washington University in St Louis Olin Business School

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Executives in Residence

Business leadership. Distinguished careers. Real-world experience.

Olin’s Executives in Residence bring a wealth of insight and knowledge to the educational experience. From career advice for students to research project discussion to classroom lecturing, Olin’s Executives in Residence enrich the Olin community.

Please contact Corporate Relations at 314-935-8541 or CorporateRelations@olin.wustl.edu to learn more about our Executives in Residence or to set up an appointment.

Maxine Clark

Executive in Residence. Olin Business School, September 2014

  • Founder, Build-A-Bear Workshop®
  • Washington University in St. Louis Board of Trustees
  • Executive Committee of Washington University in St. Louis

In 2008, Mrs. Clark was named one of The 25 Most Influential People in Retailing by Chain Store Age; in 2006, she was inducted into the Junior Achievement National Business Hall of Fame. Mrs. Clark was named one of the Wonder Women of Toys by Playthings magazine and Women in Toys, and was also one of the National Finalists in Retail for the Ernst & Young Entrepreneur of the Year 2004.

Mrs. Clark serves on the Board of Directors of Beyond Housing and Parents As Teachers, among many others. Maxine Clark bio (pdf)

Arnold W. Donald

Executive in Residence, Olin Business School, August 2005

  • President and CEO, Carnival Corporation & plc
  • Former Sr. Vice President, Monsanto Company
  • Former Chairman of Merisant Company
  • Former President and Chief Executive Officer of the Juvenile Diabetes Research Foundation International

Mr. Donald joined Monsanto in industrial chemical sales in 1977 and worked in ever more challenging and responsible roles for 20 plus years with the company. He served as Corporate Senior Vice President and President of the Consumer and Nutrition Sector of the corporation, with worldwide responsibility in the company's growth, globalization, and technology initiatives. He was also president of the $4 billion-plus agricultural sector, overseeing three years of tremendous growth marked by the successful introduction and commercialization of Monsanto’s first crop protection products resulting from modern plant biotechnology. Arnold W. Donald bio (pdf)

Dr. Robert E. Lefton, PhD

Executive in Residence, Olin Business School, December 2015

  • Co-Founder, Chairman and CEO of Psychological Associates
  • Distinguished Washington University Alumnus (B.S., M.A., Ph.D.)
  • Author of five books
  • Serves on the Advisory Boards of Drury Hotels, Schnuck Markets, Koch Development, and The Republic of Tea

Dr. Lefton is a leading consultant in leadership, management, organization development, succession planning, and sales. Since earning his Ph.D. at Washington University, he has worked as a consultant with many of Fortune’s 500 companies, and has served on the faculty of Washington University, The Motorola Executive Institute, the ALCOA Executive Institute, and CEO International, Inc. He also works extensively with families in business. As one of the original developers of Dimensional Training®, he has conducted seminars for, and consulted with, several hundred leading corporations in the United States and Europe. Robert E. Lefton bio (pdf)

Richard J. Mahoney

Distinguished Executive in Residence, Olin Business School, September 2004

  • Distinguished Executive in Residence at Washington University’s Weidenbaum Center on the Economy, Government and Public Policy
  • Former Chairman and CEO of Monsanto
  • Founder and sponsor of The Olin Award

During Mr. Mahoney’s tenure as CEO, he transformed Monsanto from a largely commodity chemical and agricultural specialties company into a broad-based life sciences and specialty chemical company with major programs in pharmaceuticals, food, and nutritional ingredients, and world leadership in agricultural biotechnology and related activities. Hours: Mondays, 10:00 a.m. – 12:00 p.m. and 2:00 p.m. – 3:00 p.m. Richard J. Mahoney bio (pdf)

David A. Peacock, EMBA ’00

Executive in Residence, Olin Business School, September 2014

  • Former President, Anheuser-Busch
  • Entrepreneur and Civic Advocate
  • Chairman of ShowMe Smoothie

David A. Peacock was president of Anheuser Busch, a wholly owned subsidiary of Anheuser-Busch InBev. As head of the company, Peacock was responsible for the commercial success of Anheuser-Busch and managing US operations for the company. Peacock currently is majority owner and Chairman of ShowMe Smoothie, the area developer (franchisee) for Jamba Juice in Missouri and Kansas. Peacock is also an investor and board member of Ronnoco Coffee, LLC and Cultivation Capital, a technology and life sciences venture capital fund. He also serves as a director of Schnucks Markets, Inc. David Peacock bio (pdf)

Jack H. Purnell

Executive in Residence, Olin Business School, August 2001

  • Former Executive Vice President, Anheuser-Busch Companies, Inc.

In 2001, Mr. Purnell retired from Anheuser-Busch Companies, Inc., where most recently he was Executive Vice President and a member of the Anheuser-Busch Strategy Committee as well as the three-person Corporate Office. He held many other positions there in his 36-year career, including vice president of the domestic company’s marketing staff, senior vice president of corporate planning and development, and chairman and chief executive officer of Anheuser-Busch International, Inc. Jack Purnell bio (pdf)

James S. Turley

Executive in Residence, Olin Business School, September 2014

  • Former Chairman and Chief Executive Officer of Ernst & Young
  • Board of Directors of the Boy Scouts of America
  • Board of Trustees for Rice University
  • Chair of the National Corporate Theatre Fund
  • Committee for Economic Development

Mr. Turley joined Ernst & Young in 1977 and held various positions there until being named Regional Managing Partner for the Upper Midwest in 1994, and for New York in 1998. He was named Deputy Chairman in 2000 and Chairman in 2001. He led the firm from 2001 until his retirement in June 2013. James Turley bio (pdf)

Stuart Zimmerman, CPA/PFS

Executive in Residence, Olin Business School, December 2015

  • Chairman and CEO of Audubon Associates LLC
  • Retired Co-Founder of the Buckingham Family of Financial Services
  • Former Partner, RubinBrown LLP
  • Past President of the Clayton Chamber of Commerce, Craft Alliance, the Clayton Child Center, and the St. Louis Chapter of the American Jewish Committee

Mr. Zimmerman has more than 40 years of wealth management experience. Prior to co-founding Buckingham in 1994, he was partner in charge of the Personal Financial Consulting department of RubinBrown LLP, where during 28 years he served on the executive committee, chaired its practice development committee, and started its nonprofit department. He has spoken nationally and internationally on the subjects of investing and personal financial consulting. Stuart Zimmerman bio (pdf)