Stacy Brehm Tate


Stacy Tate is an ordained Presbyterian Minister (PCUSA) who serves a United Church of Christ Congregation in Irvington, IL and is the President of Brehm Oil Company, a local oil production company, and Brehm Investment Group, Inc.   Stacy is the daughter of Carol Brehm, the founder of our school.   Stacy has served on the board in previous years and also served her local school district for over 20 years.   Stacy comes to the board with an extensive background in education and as an activist for students with learning disabilities.

Robert Kueppers

Bob Kueppers is former Vice Chairman and Deputy CEO of Deloitte LLP.  He is a   financial expert and has deep experience in regulation, corporate governance, crisis management, and business strategy.  Bob is an NACD Board Leadership Fellow and has chaired the boards of several organizations.  He received his BSB in Accounting from the Carlson School of Management at the University of Minnesota where he chairs Carlson’s advisory board.

Mary Jane Peterson


Mary Jane Peterson is the mother of a current Brehm student.  Currently, she is president of a small startup business dedicated to safety in the Thoroughbred racing industry which makes use of her background in management and database development.  She previously worked in finance and management information systems at the University of Maine, in logistics for the Santa Fe railroad, and as a management consultant at McKinsey and Co.  She has an M.B.A. from Harvard Business School and a B.S. in Electrical Engineering from General Motors Institute. However, her most important education has come from the experience of sharing her life with her two children.  Seeing the different challenges children face has helped her to recognize the great diversity of human capability.  This experience has also exposed her to the many wonderful people who have committed their lives to help those with learning differences achieve their potentials and live happy, fulfilling lives.

Margie DeHaan

Margie DeHaan joined Banner Health, a not-for-profit health system, in May 2010 as the Vice President, Total Rewards.  In this role, she leads the development, design, and management of Banner’s compensation and benefits philosophy and strategies covering 47,000 employees with a combined salary and benefit cost of $3.5 billion annually.

Margie has more than 25 years of experience in various human resources leadership roles covering compensation, executive compensation, benefits design, performance management, and as a human resources generalist.   She has cross-industry experience having worked for Fortune 500 large global organizations, including Applied Materials, Freescale (the spin-off of Motorola’s Semiconductor Product Sector), Motorola, Honeywell (formerly Allied Signal) and American Express.  She has a Bachelor of Arts in Economics from the University of Illinois at Urbana-Champaign.  Margie lives in Phoenix with her husband, Mike Summers.   Together, they have three beautiful daughters and three unruly canines.

Nancy Winkler

Nancy Winkler recently retired after 35 years in the field of education.  She was an elementary school counselor in the Parkway School District in Chesterfield, MO for 25 years and has a Master of Education in School Counseling and a Bachelor of Arts in Elementary and Special Education.  She was a leader in her school and district and served on many school improvement committees.  Nancy worked for Special School District in St. Louis, MO for 10 years and has experience working with students with a variety of learning differences.  She has extensive knowledge in child development and was responsible for writing individualized learning and behavior plans for students.  Currently, Nancy speaks at local schools about mental health and it’s impact on school functioning with her dog Foxxy as well as visitng her former school so students can read to Foxxy during independent reading time. Nancy has been a friend of the Brehm family for over 45 years.

Jonathan Estwing

Jonathan Estwing is an IT Project Manager at the Harvard Kennedy School of Government. Prior to working at the Kennedy School, Jonathan led IT initiatives at the Harvard Business School and Boston College. Previously he received an M.B.A from Boston College and a B.A. from the University of Illinois at Urbana-Champaign. He is a certified Project Management Professional (PMP).

Advisory Members

Edward Blake

Edward J. Blake, Jr. is the founding partner of the Blake Behme Law Group, P.C., a law firm engaged in private practice in Belleville, St. Clair County, Illinois and a former member for the Belleville Public School District #118 Board of Education. Edward hold several degrees: a Bachelor of Science in Business Administration from St. Louis University School of Business and Administration, a Masters in Business Administration from Southern Illinois University at Edwardsville, a Juris Doctor from St. Louis University School of Law, and a Master in Taxation Law from Washington University School of Law in St. Louis. Edward and his wife, Irene, have three grown children. Blake Behme Law Group, P.C. is an “AV” rated preeminent law firm and Mr. Blake who has been engaged in private practice law for more than thirty-eight (38) years has been recognized as a Leading Lawyer and an AVVO Superb Rating of 10 and is a member of the Million Dollar Advocates. Mr. Blake has also taught part-time for McKendree University in Lebanon, Illinois, and was formerly a pitcher for the Baltimore Orioles minor league system prior to retiring and pursuing various degrees and becoming an attorney.

John Bobell

John LV Bobell is a retired Professor Emeritus of Idaho State University who also taught at Southern Illinois University and spent 49 years as a high school Industrial Arts teacher and wrestling coach. He received his bachelors and masters degrees from Humboldt State University in California and his doctorate from the University of Missouri at Columbia. He then pursued advanced studies at nine different universities.Dr. Bobell’s specialties are teacher/instructor traits, task analysis, and curriculum design, assessment and evaluation, career development, cooperative occupational education, and grant writing. He is currently a member of the adjunct faculty at Southern Illinois University, where he teaches physical fitness and conditioning.

Shirilyn Holt

Shirilyn Holt serves the Mt. Vernon Township High School as Administrative Assistant to the Superintendent of Schools and Assistant to the Board of Education. She has facilitated electronic training classes for Administrative Assistants and Board Members at the Triple I Board Conference in Chicago for multiple years.

In the Corinthian Baptist Church, she serves as Bible teacher, Music Director, Couples Ministry Co-Director, Trustee and Financial Secretary. Having three brothers and a sister with learning disabilities, Shirilyn certainly appreciates the need for Brehm Preparatory School.

Jennifer Purdon

Jennifer Purdon is an executive coach who works with a wide variety of individuals to help them achieve their vision and better understand their strengths. While she has worked within major corporations such as The Coca-Cola Company and AXA Financial Services, she is committed to women’s career development and professional advancement. Previously, Jennifer was Vice President for Leadership Development at Merrill Lynch and Director of Leadership and Organization Development at Pitney Bowes. She received her BA degree in English from Emory University, an MS in Career Development from Georgia State University, and her coaching certification from the Coaches Training Institute. She serves on the Board of Girls, Inc. of Westchester, New York, an organization that helps adolescent girls become Strong, Smart, and Bold, and she is also a certified bereavement counselor.

Darla Wexstten

Darla Wexstten is a psychotherapist in private practice in Mt. Vernon, IL, where she has served children and families for over two decades.  Her professional experience gives her a desire to facilitate the availability of the “Brehm Way” to all who might benefit from the cutting-edge excellence.

Darla received her MSW from Washington University in St. Louis, MO in 1988, as well as a specialization in family therapy.   Darla comes to the board having been a personal friend of Carol Brehm, founder of Brehm School, and remembers fondly Carol’s passion and energy in the early days of Brehm’s conception.