Information Technology

Andrew L. Jackson, Jr., Director of Information Technology

Andrew L. Jackson Jr., joined Ghertner & Company in 2016 as the Director of Information Technology. His technical leadership and management experience extends across multiple disciplines and industries of Information Technology with emphasis on: Strategic & Operational Technology Planning, IT Infrastructure Design & Implementation, Emerging Technologies & Enterprise Architectures and Project Management and Process Improvement. A native of Chicago, he holds a Bachelors of Computer Science degree and a Master of Business Administration. He is also an active board member for the Nashville Rescue Mission.

Eric Warren, Information Technology

Eric Warren joined Ghertner & Company in 2003. He attended Olney Central College where he studied pre-Engineering and is currently working on an Engineering degree at TSU. Eric is responsible for the day-to-day Information Technology operations of the organization. He also is assigned various projects relating to computer and internet management for internal use as well as with company clients.




Human Resources


Nikki Hefelfinger, Payroll & Benefits HR Administrator

Nikki Hefelfinger, a native of Copperas Cove, Texas, earned an Associate’s Degree in Business Administration at Central Texas College. Nikki brings with her over 20 years of Human Resource experience. She joined Ghertner & Company in 2017.