R. Mark McCullough is a Principal at CAPTRUST, where he works with clients and their advisors to provide expert advice and creative solutions to complex financial challenges. Prior to joining CAPTRUST, he was the Founder and Managing Principal at Boulevard Financial, LLC, in Overland Park, Kansas. Before Boulevard Financial, he was a member firm of National Financial Partners. Mark also helped establish and manage the Executive Benefits division for Lockton, the largest privately held insurance broker in the world, and was a Vice President in the Life and Executive Benefits Division for Aon.

Mark has served as a director of M Financial since September 2021. He has been a member of M's BOLI/COLI advisory committee since 2016, and he currently serves as Chair of M’s Member Firm Relations Committee and is a member of the Finance & Risk Committee. He is a member of Finseca (formerly AALU) and previously served on Finseca’s nonqualified plans committee.

Mark completed his undergraduate degree from Baylor University in 1989 and received his JD from the University of Tulsa College of Law in 1994.