Science, tech and operations leadership moves across the market

Alpha Omega

Stephen Ambrose has joined the technology solutions provider in the newly created position of chief scientist.

The 35-year public sector veteran will work with Alpha Omega’s federal clients in priority areas that include safeguarding natural resources, reducing disaster impact, and advancing weather and climate resilience.

Ambrose most recently worked as chief climate scientist at Science Applications International Corp. His career also includes roles at companies like General Dynamics IT and Woolpert, plus agencies that include the National Oceanic and Atmospheric Administration and NASA.

Credence Management Solutions

Dr. Andrew Weitz has joined the management consulting and technology solutions provider as chief health innovation officer, a position that involves leadership of the health and biomedical portfolio.

Prior to Credence, Weitz worked as a program director at the National Institutes of Health and led the digital strategy for its RADx-Tech program to develop and commercialize home-based diagnostic tests.

He oversaw the establishment of pathways for reporting home test results to public health agencies.

Guidehouse

Shannon White will move up to lead the consulting and professional services firm’s defense and security segment on Jan. 1.

White has been with the Guidehouse business for 16 years and succeeds John Saad, who is elevating to president also on Jan. 1.

Chris Clarke, a partner, will succeed White as head of the homeland security and law enforcement practice. Fellow firm partner Bryan Miller will lead the global consultancy’s defense, diplomacy and intelligence practice.

In addition to those promotions, Guidehouse also hired 25-year market veteran Joe Shepherd as a partner to lead its defense services business line. He joins Guidehouse after 15 years at Booz Allen Hamilton, where he most recently was a vice president in an engineering solutions unit.

ICF

John Rabin has joined the technology and consulting services provider as a vice president in its disaster management practice.

Rabin spent the previous 12 years at the Federal Emergency Management Agency, where he most recently served as assistant administrator for response and was responsible for coordinating with agencies outside of the federal government.

Prior to that role, he led FEMA’s field operations directorate and was responsible for the training and equipping of the agency’s 14,000-person disaster response team.

KBR

Byron Bright, who has led the U.S. government business since 2017, has been promoted to chief operating officer for the engineering and technology services provider.

In a regulatory filing, KBR said Bright will oversee both the corporation’s global government and sustainable technology solutions segments. The filing also says KBR “expects to appoint new government solutions leadership in the coming months.”

For more on KBR’s government market strategy and vision, check out this episode of WT 360 from July featuring Bright.

KBR also said Lester Lyles, a board of directors member since 2007 and its chair since 2019, will retire from the panel after the company’s 2025 stockholder meeting. The board will reduce in size from 10 members to nine after Lyles steps down.

Sayari

Chris Bradziunas has joined the supply chain software intelligence provider as chief technology officer, a role that puts him in charge of the overall tech roadmap.

Sayari touts the two-decade market veteran’s focus on advancing tech offerings in artificial intelligence, data visualization and user-centric design.

Bradziunas takes up this role at Sayari just shy of one year since the global investment firm TPG became its majority owner. Her career includes roles at Securonix, Bitdefender, ThreatX and LogRhythm.

SOS International

Mike Franz has been promoted to chief operating officer at the defense and government technology services provider, which he first joined in 2015.

The 25-year market veteran most recently worked as senior vice president for corporate operations, a role that involved cross-departmental oversight with the goal of optimizing SOSi’s technology and talent resources.

Prior to SOSi, Franz worked as a division manager at Leidos and the “old” Science Applications International Corp. before their 2013 split.

SOSi also promoted Beth Caldera to vice president of procurement and contracts and Wendy Mills to vice president of security.

Tyto Athene

Anthony “Tony” Crawford has joined as president of the Army and defense agencies group at this Arlington Capital Partners-backed technology integrator.

Crawford will oversee new business development and oversee service delivery, customer satisfaction and business performance for Army and defense contracts.

He most recently worked as a division vice president at CACI International and served in the Army from 1985 to 2009 before joining industry. During his military career, he served a stint as senior intelligence officer and executive assistant to then-White House national security adviser Dr. Condoleezza Rice.

For more on Tyto Athene’s strategy and vision, check out this episode of our WT 360 podcast featuring chief executive Dennis Kelly.