Marilyn Bartlett Hebenstreit
Chairman

Marilyn Bartlett Hebenstreit, Chief Executive Officer of Alaris Capital, LLC, was born and raised in Kansas City. She graduated from Yale University and went on to obtain her master’s degree in Development Economics from Stanford University and an MBA from The Wharton School at the University of Pennsylvania. Ms. Hebenstreit joined the Linda Hall Library Board of Trustees in 2000 and became the Chairman in 2003. Her grandfather, Paul D. Bartlett, Sr., was the first Chairman of the Linda Hall Library, and her father and other family members served on the board. She and her husband, Jim Hebenstreit, have three daughters and two grandchildren.

Marilyn Bartlett Hebenstreit
Dr. Anne Dema
Vice Chair

Anne Dema, PhD, joined the William Jewell College faculty in 1993 and served as assistant professor, associate professor and professor of chemistry. In 2007, she was appointed Vice President for Institutional Effectiveness and President’s Chief of Staff before being named to the Provost’s position in 2010. Dr. Dema was appointed to the Linda Hall Library Board of Trustees in 2019 and appointed Vice Chair in 2022.

Anne Dema
Alison Armistead

Alison (Ali) Hebenstreit Armistead is a founder and Vice Chairman of Alaris Capital, LLC. Previously, Ms. Armistead was Vice President of Bartlett and Company with insurance and human resources responsibilities as well as investment oversight of the company’s pooled retirement accounts. Prior to Bartlett, Ms. Armistead was a Research Associate at Chilton Investment Company, a $3 billion long/short equity fund in New York, NY. Ms. Armistead holds a Bachelor of Arts in Art History from the University of Virginia and a Master of Science in Marketing and Management (Beta Gamma Sigma) from the McIntire School at the University of Virginia.

Alison Armistead
Michael J. Brown

Michael J. Brown is the co-founder, Chief Executive Officer, and Chairman of the Board for Euronet Worldwide. Mr. Brown is an accomplished entrepreneur with 30 years of combined experience in the computer software and electronics payments business. In 1979 he founded and was CEO of Innovative Software, which developed integrated business software, primarily for personal computers. Innovative Software merged with Informix in 1988. Mr. Brown received a Bachelor of Science in electrical engineering from the University of Missouri-Columbia in 1979, and a Master of Science in molecular and cellular biology at the University of Missouri-Kansas City in 1997.

Michael J. Brown
Stephen D. Dunn

Steve Dunn retired from J. E. Dunn Construction in January 2019 after a 44-year career with the company. He served in many leadership roles including Chairman of the Board of both J. E. Dunn Construction Company and J. E. Dunn Construction Group, Inc. In addition to the Linda Hall Library, Mr. Dunn is currently or has been on more than 16 boards in metropolitan Kansas City, including the Downtown Council, Shawnee Mission Medical Center, and the University of Missouri-Kansas City. Mr. Dunn received his BSBA in Marketing from Rockhurst University in 1974.

Stephen D. Dunn
Curt D. Gridley

Curt Gridley is Co-Founder and Executive Director of non-profit Groover Labs, a collaborative tech hub in Wichita, KS that fosters regional startup activity and product prototyping. Previously, he worked as a technology consultant after founding networking startup Amber Wave Systems in Massachusetts in 1994, which was acquired by US Robotics in 1996. Curt and his wife Tracy Hoover created the Gridley Family Foundation in 2000, and established a distinguished professorship in the history and philosophy of science at Wichita State University in 2004. He received a BA in Mathematics and Philosophy from Wichita State, and an AM in Mathematics from Dartmouth. Curt and Tracy have two grown children, Henry and Fiona.

Curt D. Gridley headshot
Niles Jager

Niles Jager serves as President of his family’s investment office, Lighthouse Capital, in Mission Woods, KS. Niles grew up in the Kansas City area, where he graduated from The Pembroke Hill School before attending DePauw University in Greencastle, IN where he continued his education in economics and political science. Prior to moving back to Kansas City in 2008, Niles spent five years working in politics in Washington, DC, and two years in finance in Chicago, IL.  Upon moving back to the area, he went to work for Bartlett & Company where he spent two years working in local grain elevators before transitioning to originating hard red winter wheat at the company’s headquarters.  In 2012 joined his father, Eric, to help manage Lighthouse Capital. Today, Niles resides in the Kansas City area with his wife, Lindsay, and their two children.  In addition to serving on the Linda Hall Library Board of Trustees, Niles also serves on the Lyric Opera of Kansas City Board of Trustees as well as The Pembroke Hill School Alumni Board.    

Niles Jager headshot
John A. MacDonald

John MacDonald is Chief Investment Officer of Chinquapin Trust Company, and he has been associated with the company and its predecessor entities for more than 40 years. Mr. MacDonald serves in a variety of not-for-profit board and advisory capacities, including the St. Luke’s Health System Board of Directors and the Truman Library Institute. He graduated in 1970 with a Bachelor of Arts degree in Economics from Trinity College in Hartford, Connecticut, and received his Master of Business Administration degree in 1972 from The Ohio State University.

John A. MacDonald
Nicholas K. Powell

Nick Powell is owner and President of Colt Energy, Inc., which is engaged in oil and gas exploration, development, and production in Kansas. Mr. Powell is a past president of both the Kansas Independent Oil and Gas Association and the Eastern Kansas Oil and Gas Association and currently serves on both organizations' board of directors. Mr. Powell also serves on the boards of the Kansas Policy Institute, Country Club Bank, and Powell Gardens. He received his B.A. in Economics from Tulane University and currently resides in Mission Hills, Kansas, with his wife Mary Ann. He has three grown children and two grandchildren.

Nicholas K. Powell
Dr. Alejandro Sánchez Alvarado

Dr. Alejandro Sánchez Alvarado is the Executive Director and Chief Scientific Officer at the Stowers Institute in Kansas City. Prior to Stowers, he spent time at the Carnegie Institution of Washington and the University of Utah School of Medicine. He is presently Investigator of the Howard Hughes Medical Institute and a faculty member at the Graduate School of the Stowers Institute for Medical Research. A native of Venezuela, Dr. Sánchez Alvarado moved to the United States to study molecular biology and chemistry at Vanderbilt University. Outside of work, he enjoys spending his downtime with his wife, developmental biologist Tatjana Piotrowski, PhD, and their two children.

Alejandro Sánchez Alvarado, Ph
Charles Sosland

Charles Sosland is President and Chief Executive Officer of Sosland Companies, Inc., a family-owned holding company focused mainly in publishing magazines, newsletters and websites serving American and global food and agribusiness. In addition to the Linda Hall Library, Mr. Sosland is a member of the board of trustees of UMKC, The Sosland Foundation, Oppenstein Brothers Foundation, and Union Station Kansas City. 

Charles Sosland
Charles A. Spaulding III

Charles A. (Tuck) Spaulding is Chairman of Oakwood Real Estate Partners. Previously, Mr. Spaulding was responsible for overseeing all facets of the Trammell Crow Company fund investment programs. At Trammell Crow, Mr. Spaulding opened the Kansas City office where he spent the next 22 years involved with all aspects of commercial real estate, including development, management and leasing, acquisitions, and dispositions. He holds a Bachelor of Arts degree in Business from Principia College. 

Charles A. Spaulding III