Mark Williamson

Mark Williamson

President | Construction


Mark brings nearly 25 years of development, construction and property management experience to his leadership role. Now as president over construction, Mark is responsible for all operational aspects of construction including sales, marketing administration, safety, financial management, and project leadership. He is committed to delivering the highest quality work, on time and at the agreed upon cost.

Under Mark’s direction, the construction firm has become regionally recognized as a leader in both development and construction projects throughout the Sunbelt. The firm specializes in projects from $2 million to $20 million dollars in range and has particular construction expertise in industrial, office, MOB, religious and educational facilities, as well as hospitality.

Mark has been an integral part of the team since joining the company in 1992. His career spans from property manager in charge of maintaining the occupancy of company owned buildings, to vice president of property management, to chief financial officer responsible for all accounting and administrative activities.

Mark holds a Bachelor of Business Administration from the University of Georgia and has furthered his education through classes from the Institute of Real Estate Management.

Rex Frohlich

Rex Frohlich

COO


A long time veteran in estimating, construction & program management, operations, document control, business development, surety/risk management, and legal, Rex is a high performer with a proven track record of accomplishments which includes project takeover/turnarounds, and setting up new business units such as; Interiors Division, Airport and Air Transportation, Federal Agency’s, and International Infrastructure office. . His contracts ranged from $2 million to $200+ Million. Rex has developed year after year success achieving revenue, profit, and market growth objectives, as well as fostered partnering and long-term relationships; communicating effectively with all levels of decision makers. Corporate clients included American Airlines, SWBT, MCI Communications, Fidelity Investments/Properties, Law firm renovations (multi-floor high-rise) Offices, Texas Stadium Suite renovations, Schering Plough Pharmaceuticals, Dallas/ Ft Worth Airport Development Department, Maguire Thomas Partners Solana Development.

Rex first came to Randolph Williamson in 2017 as a consultant, taking on the role of COO in early 2018 to fuel our continued growth and operations.