Valiant announced today the appointment of Daniel Simms as Chief Executive Officer, effective February 2, 2026.

Herndon, VA – Valiant Integrated Services (“Valiant”) today announced the appointment of Daniel Simms as Chief Executive Officer, effective February 2, 2026.

Dan has had a long history at Valiant, including serving as the Vice President of Critical Mission Solutions and most recently in rejoining the firm as Valiant’s Chief Operating Officer. Throughout his career at Valiant, Dan has driven operational excellence and supported mission-critical programs worldwide.

Before rejoining Valiant, Daniel, as Chief Operating Officer of Acuity International, led business transformation, strategy development, and Profit & Loss (P&L) management. In that role, he supported a diverse customer base across the U.S. Department of Defense, as well as a broad portfolio of federal agencies, state governments, and commercial entities, delivering healthcare services, engineering and construction support, base operations, security services, and environmental programs. “Dan is a proven leader with deep operational experience and a relentless focus on mission success,” said Mike Devoto, Board member of Valiant Integrated Services.

A military veteran, Mr. Simms brings a mission-first leadership approach grounded in service and accountability. His expertise includes revenue growth, workforce planning, performance improvement, and business transformation. He is a certified Project Management Professional and holds an MBA from Georgetown University’s McDonough School of Business, as well as a Bachelor’s degree in Business Administration from the University of Maryland.

“I am honored to lead Valiant,” said Mr. Simms. “I look forward to building on our strong foundation, supporting our customers’ missions, and continuing to invest in our people.”

Mr. Simms’ appointment underscores Valiant’s commitment to operational excellence and long-term growth.