Archives: Team Members

JOHN WARREN

JOHN WARREN

As VP of Customer Advocacy, John Warren leads the Austin Ecosystem and is responsible for delivering customer delivery excellence and optimizing Austin-based business. Experience John Warren is a seasoned professional with a background of: leading Digital...
ELIZABETH MATHEW

ELIZABETH MATHEW

Elizabeth Mathew is an accomplished IT professional with over 25 years of experience having a remarkable track record of modernizing state and federal government agencies. Experience Elizabeth’s strategic acumen and technical expertise drive transformative...
BRAD TRUXELL

BRAD TRUXELL

Brad Truxell leads TISTA’s Contracts and Compliance team responsible for overall cradle to grave contracting, procurement, and overall compliance. Brad is responsible for identifying and mitigating risk, while ensuring the TISTA team meets our contractual and...
LAUREN R. LAWRENCE

LAUREN R. LAWRENCE

Lauren heads TISTA’s Associate Advocacy programs which support talent in a variety of ways including empowerment and engagement. Experience Lauren has over 20 years of talent experience primarily in government contracting and technical professional services. Her...
ULRIKE NASSHAN

ULRIKE NASSHAN

Ms. Nasshan brings more than 20 years of strategic leadership, advisory and management of modernization efforts at federal government agencies such as the Department of Veterans Affairs (Health IT), Department of Health and Human Services (NIH/AHRQ/ONC) and Department...

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