The Tallgrass Creek Executive Team

These individuals handle the day-to-day operations of Tallgrass Creek.

Jean Landreville, Executive Director

Jean Landreville joined the Tallgrass Creek executive team as the executive director in February 2015. Previously, she was the executive director at Erickson Living's Greenspring community, the associate executive director at Erickson Living's Riderwood campus, and the assistant executive director and continuing care administrator at Erickson Living's Fox Run community.

Prior to joining Erickson Living, Jean was the nursing home administrator at Detroit Medical Center and Mercy Memorial Hospital. She is a licensed nursing home administrator. Jean holds a bachelor's degree in general dietetics from Madonna University and a master's degree from the Erickson School of Management of Aging Services at the University of Maryland.

Pamela Haman, Associate Executive Director

Before joining the Tallgrass Creek team in 2015, Pamela Haman was associate executive director at Greenspring, the Erickson Living community in Springfield, Virginia. A seasoned health care professional, Pamela has held previous positions at Kindred Transitional Care and Rehabilitation-Highgate, where she served as the area executive director for two skilled nursing facilities, and HealthBridge Management, where she was an administrator for Newton Health Care Center in Newton, Massachusetts. Pamela holds a bachelor of science degree in psychology from Ohio State University and a master of business administration degree from Tiffin University. She is also a licensed nursing home administrator.

Lynn Schaffer, Director of Finance

Lynn Schaffer joined the Tallgrass Creek team in August 2013. Lynn is responsible for the financial reporting and forecasting of the community, development of the operations budget, resident billings, and audit support. She also provides financial training, support to all departments, and assists with strategic planning. Lynn brings nearly 15 years of experience from the telecommunications and financial services industries. Prior to joining Tallgrass Creek, Lynn was controller of SKC Communication Products, LLC, in Shawnee, Kansas. Prior to SKC, Lynn was CFO and Controller for Advance Mortgage Corporation and held various finance positions with H&R Block and Sprint. Lynn graduated with honors receiving a bachelor of science degree in accounting from DeVry University.

Blake Marshall, Director of Sales

Blake began his career with Erickson Living as an operations associate at Eagle’s Trace in Houston, Texas. After a year, Blake moved to Wind Crest, another Erickson Living campus, in Denver, Colorado, where he worked as a sales associate and later as sales manager. He moved to Kansas City in June of 2015 and says he is excited to be living in the “heart of America.” Blake holds a bachelor of business administration from Texas A&M University. He has relocated for Erickson Living several times because he has seen the difference the Erickson lifestyle makes to the hundreds of residents he has helped move to a community, and more personally, with his Grandma, who also calls an Erickson Living campus her home.

Daniel Stapf, Director of General Services

Daniel began his career in 1998 as an employee at Charlestown, Erickson Living's flagship community in Catonsville, Maryland, where he held positions in the community television studio and in project and facility management. After spending some time at Retirement Living TV, Daniel came to Tallgrass Creek in 2008 to manage the maintenance and grounds departments. Since then, Daniel has expanded his role to director of general services. Daniel holds a bachelor's degree in television production. He lives in Olathe, Kansas, with his wife and two sons.

Denise Zwahlen, M.D.

Dr. Zwahlen received both her bachelor’s degree and medical degree from the University of Missouri in Kansas City, Missouri. She completed residencies in family medicine at Guthrie/Robert Packer Hospital in Sayre, Pennsylvania and Truman Medical Center East in Kansas City, Missouri. Dr. Zwahlen is board-certified in family medicine with added qualifications in geriatric medicine; she trained at the geriatric fellowship program at the University of New Mexico in Albuquerque, New Mexico. She joined Tallgrass Creek in June 2016.