Senior Leadership

Jack Callahan

J. Greg Callahan – President

Mr. Callahan is an accomplished Native American general contractor with demonstrated expertise in the areas of operations and staff management within the residential and commercial construction sectors. In 2002, Mr. Callahan founded Callahan Construction Company, Inc. Because of his entrepreneurial spirit, foresight, and love of the technology industry; Mr. Callahan joined forces with several experts in the technology arena and his family to form Callahan Enterprises. Mr. Callahan’s drive, innovation, and proven ability to provide exceptional service, creates repeat clients who appreciate his approach to getting the job done and done right.

Mr. Callahan has over 30 years of experience in his trade and is a Certified Distributor of insulated concrete forms (Green Builder). With this new technology, he is able to stay current with the ever-changing advances within his field.

Janet Callahan

Janet Callahan – Vice President, Contracts

Mrs. Callahan has over 25 years experience in contracting and business operations.  She helps in developing CE’s long-range goals and objectives as well as the company’s financial planning.  Mrs. Callahan handles project contracts, general contracting, and project documentation for all of Callahan’s projects.

Olivia Callahan

Olivia Callahan – Human Resources Department

Ms. Callahan is a graduate of the University of Maryland with a degree in Communications.  She leads CE’s Human Resources department and assists the CPA with accounting and business operations.

Connor Callahan

Connor Callahan – Project Manager

Mr. Callahan is a graduate of Towson State University with a degree in Business Marketing.  He supervises construction projects and is the Business Development Lead for the construction side for Callahan Enterprises.