Payal Tak, President and CEO

Ms. Payal Tak has over twenty years of experience in the fields of Information Technology and Telecommunications. The founder of TELESIS, she manages the company’s operations and leads business development, strategic planning, and customer communications.

Under Ms. Tak’s leadership, TELESIS has consistently delivered the promise of its tag line and has exceeded client expectations. Established in 1998, today TELESIS has become a highly successful and respected small businesses in Federal Government contracting. Under Ms. Tak’s leadership, TELESIS has established relationships with Federal government agencies, major contractors, and leading industry partners.

Ms. Tak has been recognized as “Small Business Person of the Year” by the United States Small Business Administration. Ms. Tak holds a Master of Science in Telecommunications from Johns Hopkins University.

Dave Jefferson, Vice President

Dave Jefferson serves as a Vice President of Customer Engagement with TELESIS. He is responsible for customer engagement lifecycle activities including solution development, value-based marketing, and relationship management at the company. Before joining TELESIS, Mr. Jefferson was a principal at Worldwide Information Network Systems (WINS), where his twelve years of leadership culminated in the successful acquisition of WINS by ManTech Corporation in 2011. At WINS he was responsible for strategy formulation, business development, and customer relationship management.

His career spans more than 25 years of business and technology experience in both federal and commercial markets. His expertise ranges from information technology to business operations and sales. He received a BA in Political Science at Boston University, and has earned several distinctions throughout his career including being the recipient of the Hammer Award for Excellence in Government.

Cheryl Brummell, Vice President of Programs

Cheryl Brummell serves as Vice President of Programs with TELESIS. She is responsible for directing and leading day-to-day operations within diverse information technology, government contracting, program management, and business development environments. Ms. Brummell is responsible for customer relationships and strengthening performance of teams to establish organic growth through existing projects and new business.

Ms. Brummell served in the U.S. Air Force and later was a Department of Defense signals intelligence contractor. Before joining TELESIS, she was an Executive Director at a large integrator where her 15 years of leadership culminated with profit and loss responsibilities for a division focused on providing full lifecycle IT services for Federal and State government agencies.

Ms. Brummell holds a B.S. in Business Administration, with a concentration in Project Management from Colorado Technical University. She achieved professional PMP certification from the Program Management Institute in August 2005. In addition to the PMP certification, Ms. Brummell holds an ITIL foundations certification, is a Certified Scrum Master (CSM), Certified in the Governance of Enterprise IT (CGEIT), and is a certified Scaled Agile Framework Agilist (SA). She is an AFCEA Leadership Forum graduate and is a member of the Project Management Institute, ISACA, and Sigma Beta Delta Honor Society.

Rick Simis, Vice President

Rick Simis serves as a Vice President at TELESIS. Rick joined TELESIS in July 2015 and prior to joining TELESIS, he served as the President and General Manager of the ManTech’s Army facing business unit. Rick brings experience and background in systems engineering, post production/deployment software support, full spectrum of IT services, logistics and global supply chain operations, and full lifecycle support to the Army’s C4ISR systems.

Rick is a 1980 West Point graduate, holds an MS from Kansas State University and a Master’s Certificate in Executive Leadership from Cornell University. He retired from the Army after serving numerous command and staff positions. His awards include the Bronze Star, the Defense Meritorious Service Medal and four Awards of the Meritorious Service Medal.

Rick is a life member of AFCEA International, the Association of the United States Army, West Point Association of Graduates, Military Officers Association of America and the National Rifle Association.

Sonia Dua, Director of Managed Services Programs

Ms. Dua is a Director of Programs for TELESIS and manages multiple contracts to deliver Help Desk and Contact Center requirements. With over 20 years of experience in the management of programs, Ms. Dua has developed strong and lasting working relationships with TELESIS’ clients, vendors, program teams and partners. Under her leadership, her teams have consistently delivered the promise of TELESIS’ tag line and exceeded customer expectations.

Ms. Dua has successfully led multiple implementations of standardized program management methodologies at TELESIS resulting in a successful CMMI Level 2 appraisal for the company. She has also led the successful delivery of highly visible and congressionally mandated programs in support of Government agencies and as a result has earned several awards and recognitions in her career. Ms. Dua has a Master’s degree and is PMP and ITIL certified.

Bruce Thoms, Director of DoD Programs

Bruce Thoms serves as a Director of DoD Programs at TELESIS. He is responsible for directing and leading day-to-day operations within diverse information technology, government contracting, program management, and business development environments. Mr. Thoms is responsible for customer relationships and strengthening performance of teams to establish organic growth through existing projects and new business.

Before joining TELESIS, Mr. Thoms was a Senior Program Manager for a Defense Contractor where he was responsible for business development and customer relationship management. In his prior assignments, Mr. Thoms has been the Operations and Support Manager under Project Manager Mission Command (PM MC) where his hands-on leadership culminated in the successful fielding and support of the latest in C4ISR technologies to units and organizations. Mr. Thoms served as an officer in the US Army prior to joining PM MC. His career spans more than 17 years of military service and technology experience in the DoD and federal markets. His expertise includes strategic and tactical strategy development for the military and government organizations, contract administration, military acquisition, information technology, business operations and sales.

He received a BS in Management Information Systems at the University of Iowa and has a Master in Business Administration.

Alex Vanjani, Director of Contracts

Alex Vanjani serves as Director of Contracts and Pricing with TELESIS. As a member of the leadership team, He is responsible for directing all contractual and pricing activities, and serves as the liaison between TELESIS and its customers. With over 14 years of experience and successful leadership, Mr. Vanjani provides organizational contracting and pricing solutions and efficiencies, with emphasis in the development of streamlined standard contracting and pricing processes and procedures, to ensure successful contractual compliance, performance, and customer satisfaction.

Before joining TELESIS, Mr. Vanjani held various positions at other Government contractors in the Washington, DC Metro area where he managed the contracts, finance, and pricing functions. His expertise includes, but is not limited to, cradle-to-grave management of Government and commercial contracts, compliance, strategic pricing, contract negotiations, financial and contractual policies, budgeting, and cost estimating.

Mr. Vanjani has a Bachelor’s of Science in Business Administration and holds a Master’s Certificate in Government Contracting (GWCCM) from the George Washington University School of Business.


Jill Waltersdorff-Rich, Director of Human Resources

Jill Waltersdorff-Rich is the Director of Human Resources for TELESIS. She is responsible for directing the overall administration, coordination and evaluation of the HR function. With over 15 years of experience in HR, Ms. Waltersdorff-Rich is a trusted, collaborative leader focused on best practices. She is an important partner with the TELESIS Leadership Team in our efforts to establish effective systems and streamline processes.

Previously, Ms. Waltersdorff-Rich has successfully managed HR functions at two Government contractors in the Washington, DC Metro area. Her professional expertise ranges from needs analysis and project management to developing teams who provide transformational service. She considers herself a lifelong learner and eagerly welcomes new challenges.

Ms. Waltersdorff-Rich earned her MBA and MS in Management (HR concentration) degrees from the University of Maryland University College. She also holds a B.A. in English from the University of Mary Washington and holds HR Certifications (SHRM-SCP as well as an SPHR designation).

Jorge Arias

Jorge Arias, Director of Programs

Jorge Arias is a Director at TELESIS, responsible for the management, growth, and operation of various programs delivering high quality services while providing innovative solutions to fulfill client missions. Mr. Arias’ professional career spans 20+ years supporting commercial and government customers with 14+ years of experience supporting U.S. Government programs related to security, cybersecurity, personnel security, systems integration and engineering, IT support services, IT infrastructure.

Mr. Arias started his career developing and implementing solutions that delivered cost reductions by reengineering systems and/or processes. He has worked for software development companies delivering information technology solutions in the fields of business intelligence, decision support systems as a pre and post sales consultant for commercial and government customers in the U.S. and Latin America. For the last 14+ years he has supported a diverse range of Federal programs in technical and management positions. As an Executive Director for a large federal government contractor, he was responsible for the successful management and operation, as well as growth for customer programs within the National Oceanographic and Atmospheric Administration, the Patent and Trademark Office, Department of Interior, Department of Treasury, House of Representatives, Federal Aviation Administration, Library of Congress, Department of Justice, U.S. Transportation Command, and Environmental Protection Agency.

Mr. Arias holds an Executive Master’s degree in Information System from GWU and a CIO University Certificate from the Federal CIO Technology Council. He is also has an ITIL certification and is a certified PMP since March 2005.