Leadership Team
Warren Henderson – Chief Operating Officer
Warren brings a unique and valuable perspective to the management, operations and growth potential at TurnKey. He has 20 years of experience in the project/construction management of golf course, resort, residential and commercial real estate developments ranging from 3 million to over 25 million dollars in value in 15 different countries on 5 continents. Warren’s experience in dealing with the complexities of coordinating various consultants, direct hiring, and subcontracting labor and equipment providers, along with securing and staging materials, provides TurnKey with the leadership it will require to achieve efficiencies aimed at growing the company. Warren’s current responsibilities include all aspects of the daily operations and future growth planning for the company.
Tracey Gerdeman – Vice President Operations
Tracey Gerdeman has over 13 years experience in the telecommunications industry with expertise in network planning, traffic management and capacity planning, network translations, technical support, network operations surveillance and voice, and data repair. She has managed a repair call center with over 80 employees for a major CLEC in the Midwest. She is a Grand Valley State University graduate where she earned her B.A. Tracey’s current responsibilities are ensuring process and policies of the entire Operations Department as well as Operational and Information Technologies management.
A.C. VanderKolk – Chief Financial Officer
A.C. has 12 years experience in a variety of accounting/finance roles across a broad expanse of industries. At TurnKey, he manages all accounting and finance services, including insurance, treasury, and legal. Prior to joining TurnKey, he was the Corporate Cost Accounting manager for ODL, Inc., a global presence in the building products industry, located in Zeeland, Michigan. A.C. also spent four years with Pricewaterhouse/Coopers in the Grand Rapids, Michigan office. He is a Hope College and Grand Valley State University graduate, where he earned his MBA. A.C. is a CPA and CMA and a member of CFMA.
Tom Glass – Operations Manager OSP Engineering
Tom’s current responsibilities include management of our constantly growing engineering department. His group is responsible for hundreds of miles of route design, permitting, splice assignments, and record keeping. Tom has over ten years of OSP engineering experience and has been involved with over 3000 miles of construction projects.
Henry Graffenius – Operations Manager OSP Construction
Since joining TurnKey in 2001 as Manager of Michigan Underground Operations, Henry has been a key contributor to the development of the Underground Services and recruiting functions for the growth of TurnKey. He successfully managed the Underground function in Michigan for several years and subsequently has been promoted to Director of Underground Services, which today successfully spans across five Midwestern states.