Leadership

CEO and General Manager

Since joining DEMCO in 2001 as a lineman, Mark has served in a variety of leadership roles with increasing responsibility. Before being named CEO, Mark led DEMCO's Engineering and Operations Division, overseeing the planning, construction, maintenance, and operation of the cooperative's electric system. He played a key role in advancing major initiatives that strengthened system reliability, supported continued member growth, and positioned DEMCO to meet the evolving energy needs of the communities it serves.

With a leadership style rooted in teamwork, innovation, operational excellence, and service, Mark is committed to building on DEMCO's strong foundation while continuing to focus on the cooperative's mission, vision, and values.

Mark and his wife reside in Central and have two sons. Outside of work, he enjoys spending time with his family, coaching youth sports, golfing, and relaxing by the pool.

Chief Corporate Services Officer

Russchelle began her career at DEMCO in 1998 in an entry-level position in the human resources department. While working full-time, she earned her bachelor’s degree in management with a concentration in human resources and went on to acquire designations as a Certified Employee Benefit Specialist and Certified Workers’ Compensation Professional. Russchelle was born and raised in Denham Springs where she currently resides with her husband and two children. Although she certainly enjoys her time with the staff at DEMCO, she also loves to get away and “glamp” with her family!

Chief Financial Officer

Peggy joined DEMCO in February 2021. Before that time, she worked at Lee County Electric Cooperative, Inc. in North Ft. Myers, FL, for twelve years as Manager, Financial Accounting. She received a B.S. in Accounting from DeSales University in Center Valley, PA, an MBA from Wilkes University in Wilkes-Barre, PA, and a doctorate in business administration (DBA) in 2015 from Argosy University, Sarasota, FL. Peggy served on the National Society of Accountants for Cooperatives (NSAC) Electric Cooperative Chapter Board and is the immediate past president. Peggy authors accounting and finance articles in the NSAC industry publication “The Cooperative Accountant (TCA).” She is a mother to four children, has seven grandchildren, and enjoys family-time activities.

Chief Member Services Officer

Galen is the chief officer of member services, communications, member engagement, and The DEMCO Foundation. She joined DEMCO in 2011 in the Consumer Accounting Department. Driven by her commitment to enhancing the member experience, she was promoted to Quality Assurance Coordinator in 2017, Manager, Member Services in 2019, and in 2021 earned a promotion to Director, Member Services. A graduate of Southeastern Louisiana University, Galen is originally from Baton Rouge and currently resides in Central. She enjoys community service projects, traveling, and spending time with her husband, two sons, and their pup Trex.