Our Leadership

John Lehman WEB

John H. Lehman Jr., President

John H. Lehman Jr. serves as the President of Crystal Management. Mr. Lehman is an original founder of the service-disabled veteran-owned small business since 2005.  He has over three decades of experience leading complex IT programs to include Program Manager, Command Communication Survivability Program (CCSP), Office of the Secretary of Defense for the Pentagon Renovation Program. He is a retired U.S. Army veteran with 20 years of proud military service.  Mr. Lehman provides hands-on leadership of Crystal Management’s strategic direction, resource management, and quality assurance.  He has a Bachelor's degree in Civil Engineering from The Citadel, Military College of South Carolina. Mr. Lehman lives in Georgia with his wife and recently welcomed his 9th grandchild to the family in 2022.

Diana Wilson, Vice President, Human Resources

Diana Wilson is the Vice President of Human Resources for Crystal Management. Ms. Wilson leads talent engagement initiatives including recruiting, training and career development, benefits, and community programs. Prior to joining Crystal, Ms. Wilson was a manager and independent talent engagement specialist for MBO Partners and provided trusted talent solutions as a staffing manager for an award-winning firm. She held Professional in Human Resources (PHR) and SHRM Certified Professional (SHRM-CP) certifications and is a long-standing member of the Society for Human Resource Management (SHRM). Ms. Wilson previously served as the Facility Security Officer (FSO) for Crystal Management.

Ms. Wilson was born and raised in the Northern Virginia area where she resides with her family today.


Joshua Caldwell, Vice President, Operations and Delivery

Josh Caldwell serves as the Vice President of Operations and Delivery for Crystal Management. Mr. Caldwell leads contracts operations and customer engagement strategies for government contract performance and delivery. He is responsible for the full customer experience lifecycle to include internal proposal and capture, contract operations and delivery. He is a U.S. Air Force veteran with over nine years of proud military service. Mr. Caldwell has a Bachelor's degree in Business Management and holds a Project Management Professional (PMP) certification since 2004.

Internationally traveled on behalf of our OCONUS operations, Mr. Caldwell calls Arkansas home where he resides with his family and enjoys coaching the local youth baseball league.

Boughton Web Photo 2023

Victoria Boughton, Vice President, Administration

Vicki Boughton is the Vice President of Administration for Crystal Management. Mrs. Boughton oversees quality assurance and contracts administration for Crystal Management. She is responsible for ensuring customer requirements are met and coordinates internal processes and activities across all functional areas to deliver uncompromised quality products and services to our customers. Mrs. Boughton directs our Quality Management System, Information Security Management System, Cybersecurity compliance and GSA Schedule. She manages the latest quality standards of our corporate certifications. Prior to Crystal, she was a Senior Project Manager for a major cellular and telecommunications firm. Mrs. Boughton has a Bachelor's degree from Frostburg State University.

Mrs. Boughton lives on the lake in Virginia with her husband and family.

Sam Lehman WEB

Samuel Lehman, Vice President, Talent Acquisition

Sam Lehman serve as the Vice President of Talent Acquisition for Crystal Management. Mr. Lehman has in depth knowledge of talent acquisition and technical recruiting for federal contractors and government customers with a focus on the candidate experience. He previously led talent acquisition programs and veteran recruiting teams as the Delivery Manager of Engineering and Digital Transformation for a leading small business integrator. He has four years of prior work with the company spanning positions in business development, accounting, and human resources. Mr. Lehman has a Bachelor's degree in Applied Science from George Mason University.

Mr. Lehman resides in Georgia with his wife and two children.

Jack Longanacre, Vice President, Accounting and Finance

Jack Longanacre serves as the Vice President of Accounting and Finance for Crystal Management. He has over 15 years of public accounting, bookkeeping, corporate accounting, and Chief Financial Officer experience. Mr. Longanacre guides the financial stability and growth of the company through strategic financial planning, competitive rate structuring, and accounting compliance. He is a proud U.S. Army veteran with six years of military service. Mr. Longanacre has a Master's degree in Professional Accountancy (MPA) and Bachelor's degree in Business Administration, Accounting from West Virginia University. He holds Certified Public Accountant (CPA) and Certified Government Financial Manager (CGFM) certifications.

Mr. Longanacre is also the Founder of Spartan Shield Solutions which provides superior customized accounting solutions to federal government contractors.