esources in







About Prism : Executive Team


Mark Johnson, Founder & CEO

Mark founded PRISM in 1994. He leads PRISM as a premier IT services provider with his extensive experience cultivating client relationships, building internal sales and recruiting teams and fostering company growth. Recently selected as one of the 100 SmartCeo’s in the Washington, D.C. area, Mark is passionate about expanding PRISM’s role in the IT professional services industry.  He meets with industry CEO’s on a routine basis to discuss current market trends and executive goals with the intent of promoting company business and maintaining effective management methods. Mark’s membership in the Executive Circle of the Northern Virginia Technology Council, the nation’s largest technology council, allows him to check the pulse on technology industry developments. Under Mark’s direction, PRISM has been recognized by INC magazine as one of the fastest growing businesses in America and by Washington Business Journal as one of the top 25 IT professional services firms. Mark completed his Bachelor’s degree at the University of Maryland and returned to his alma mater to mentor MBA candidates studying at the Robert H. Smith School of Business. 

Carol Cornman, Partner & Executive Vice President

Carol exemplifies over 20 years of experience encompassingbusiness development, delivery, operations and executive leadership within the IT professional services industry. Her ability to design and implement strategic business plans in a team environment allows for superior results. Carol's consultative focus and creative ability to find solutions amongst a magnitude of variables deem her as one of the experts in the industry.Recognized by Women in Technology for her exceptional leadership capabilities in the IT community, Carolunderstands that it takes the right team with ambition and an unprecedented positive spirit to accomplish anything. Carol's belief is to "surround oneself with others who have greater natural and diverse talents than self in order to reap the rewards of true success." She plays an active role on the Board of Directors for The Childhood Brain Tumor Foundation and founded PRISM’s Veteran Employment Program.  Carol graduated from Penn State University with a Bachelor of Science degree in Business/Marketing. 

Kaushik Rathi, Vice President of Recruiting

With over 15 years of experience in recruiting, business development and delivery, Kaushik brings a customer service and results oriented mindset to our recruiting team. He has proven ability to work with all levels of clients, candidates and recruiters to help ensure that everyone is working towards the same goal. Kaushik helps set the tone and direction for our Recruiting engine to be able to work in an extremely fast-paced and challenging environment to secure and deliver talented professionals for our clients and cutting edge projects for our employees. Kaushik graduated from The College of Wooster with a Bachelor’s degree in Business Economics.  

Rhonda Marsteller, Vice President of Finance & Operations, Facility Security Officer

Rhonda is a member of the Arizona Institute of Certified Public Accountants and the American Institute of Certified Public Accountants.  Her expertise includes compliance and financial problem solving. With over 35 years of experience in the field of accounting, Rhonda exemplifies a strong financial understanding of the IT professional services industry.  She has extensive experience in coordinating financial information with external auditors and setting up internal controls to ensure efficiency and accuracy of information within the company.  Rhonda is also responsible for the daily maintenance and preparation of the financial records.  As FSO of the company, she supervises and directs security requirements of the NISPOM and related Federal requirements. Rhonda graduated from Buena Vista University with a Bachelor of Science degree in Accounting.  




Unprecedented dedication to your professional achievement and satisfaction