Peraton's sector president hires and more leadership moves across the market

Peraton

Two sector president hires and an internal promotion are afoot at this technology integrator, which former Science Applications International Corp. executive Bob Genter joined in February as chief operating officer.

Gabe Camarillo, the former Army undersecretary and more recently a KBR executive, has joined as president of Peraton’s defense sector and brings two decades of experience to the role.

As Army undersecretary, Camarillo led service-wide reform efforts in software acquisition and foreign military sales. He also oversaw the establishment of the Army’s first digital engineering policy.

While at KBR, Camarillo was senior vice president of the defense technology solutions business. His career also includes executive roles at SAIC.

Vishal Tuslian is now president of Peraton's health, state and local sector following 25 years of experience at other contractors in the market.

This sector works with federal health agencies, state governments and local community organizations.

Tuslian most recently worked as president and chief operating officer at Reli Group. Prior to that, he spent a decade at Science Applications International Corp. and is a former senior vice president there.

In addition, Peraton has promoted Danny Valladares to chief technology officer for its national security business. Valladares, who announced his new role in a LinkedIn post, has been with Peraton and its heritage businesses for close to a decade.

Appian

Ali Mohammed has joined the process automation software developer as chief architect for its public sector team, which is a newly-created role for the former Army tech leader.

Mohammed most recently served in the title of assistant capability program executive and chief technology officer for the Army’s CPE ES2 organization. He is a 23-year veteran of government and private sector roles.

Jason Adolf, vice president of Appian’s global public sector vertical, announced the hire of Mohammed on LinkedIn and cited his technical and functional domain experience.

Cybersec Investments

Stacy Bostjanick, the Pentagon’s former chief of defense industrial base security, has joined this computer and network security company as vice president of government services strategy.

Bostjanick will “lead the stand-up of our new division focused on delivering cybersecurity services directly to federal departments and agencies,” Fernando Machado, Cybersec managing partner, wrote in a LinkedIn post on her hire.

In her Defense Department role, Bostjanick led the Cybersecurity Maturity Model Certification program.

Enlightenment Capital

Rob Albritton has joined the government market investment firm as managing director for technology and innovation, a role he brings two decades of defense tech experience to.

Albritton will work with Enlightenment’s portfolio companies on their technology strategies and roadmaps, while also advising the firm on those items as well when looking at investments.

His career includes leadership roles at Tyto Athene, IBM, Octo, Mitre Corp. and NVIDIA. At Octo, he led the establishment of its oLabs organization and AI Center of Excellence in the years leading up to its sale to IBM in 2023.

FalconTek

Ricky Schultz has joined the technical and professional services provider as vice president of client development, a role he brings 14 years of experience to.

Schultz will lead FalconTek’s workforce solutions division with responsibility for client acquisition, growing partnerships and shaping the go-to-market strategy.

Prior to FalconTek, Schultz spent a decade at Aerotek and his most recent role there was practice lead. FalconTek is a service-disabled/veteran-owned small business.

Groundswell

Greg Worley, a former commandant of the Army Finance Corps, has joined the enterprise resource planning software integrator as vice president of intelligent automation in its defense business.

Groundswell announced the hire in a LinkedIn post and described his main task as leading the application of artificial intelligence and intelligent automation across federal financial management functions.

In that commandant role, Worley led a 6,100-person team with responsibility for financial operations and resource management.

Lockheed Martin

Orlando “OJ” Sanchez Jr. will move up to president of the defense giant’s aeronautics segment on June 1 and succeed Greg Ulmer, who is retiring after three decades at Lockheed.

Lockheed Martin’s aeronautics portfolio is highlighted by the F-35 fighter jet program, while the segment employs 35,000 people and generates around $30 billion in annual revenue.

Sanchez joined Lockheed in 2014 following service as an Air Force officer and most recently led the company’s famed Skunk Works advanced development program. Ullmer has led the aeronautics segment for five years.

mPower

Diane Yarnell has joined the business transformation services provider as chief administrative officer after 25 years at GRSi and DLH Corp.

MPower's LinkedIn post on this hire cites her background as covering operations, scaling organizations and building the infrastructure to support growth.

GRSi was acquired in 2022 by DLH, where Yarnell most recently worked as president of health IT.

Niyam IT

Mohamed Elansary has joined the IT solutions provider as chief operating officer, a role he brings 25 years of experience to.

Elansary will work with Suman Biswas, Niyam’s founder and CEO, and other executive team members to shape the company’s strategy and vision. Elansary’s areas of responsibility include business development, capture, proposal and marketing functions.

Prior to Niyam, Elansary worked as chief growth officer at Concept Plus and was the CGO at Buchanan & Edwards before that.

Oddball

Agata Ciesielski and Drake Rose have joined the digital services company as vice presidents, roles they both bring government experience to.

As VP of architecture, Ciesielski will oversee Oddball’s labs organization in efforts to scale artificial intelligence solutions. A two-decade tech veteran, Ciesielski is a former AI lead for the Homeland Security Department and most recently was a senior solutions manager at C3 AI.

In the VP of transformation role, Rose will focus on how Oddball translates user needs in its product development work. Rose’s career includes stints as senior product manager and associate director, product lead in the Air Force’s Kessel Run organization.

Revolutional

Mike Cosgrave has joined the technology services provider as senior vice president and general manager for its national security and defense business unit, a role he brings two decades of leadership experience to.

Revolutional is the new name for what was Harmonia Holdings in the two decades prior to its rebrand. Madison Dearborn Partners acquired the company in the fall of 2024.

Cosgrave most recently was an operational executive at Aether Aerospace. His career also includes chief operating officer stints at Tria Federal and AceInfo.

SAP NS2

Gus Perna has joined the software conglomerate’s National Security Solutions subsidiary as executive vice president and strategic customer officer, a role he brings four decades of Army experience to.

The retired four-star general’s career is highlighted by his service as chief operating officer of Operation Warp Speed, the initiative for developing and distributing the COVID-19 vaccine.

Perna is also a former commanding general for the Army Materiel Command, a key logistics organization for the service branch.

Slingshot Aerospace

Markus Hartmann has joined the space data software provider as senior vice president of legal, a role he brings three decades of experience to.

Hartmann most recently worked as chief legal development and counsel at AI startup DragonGC and before that as general counsel and corporate secretary at Mister Car Wash.

Slingshot cited his work at DragonGC as aligning with efforts to build and scale AI for space operations.

Thales Defense & Security Inc.

Chris Forrest has joined this U.S. subsidiary of the aerospace and defense electronics company as chief financial officer, a role he brings three decades of experience to.

Forrest most recently worked as executive vice president and general manager of advanced robotics and mission solutions at QinetiQ US.

His career also includes leadership roles at Collins Aerospace and ARINC.

Westat

Sunitha Mathew has moved up to chief growth officer at the provider of research, data collection and analysis services after 24 years there.

Formerly a vice president, Mathew now works with other members of Westat’s executive team to shape and execute enterprise-wide growth initiatives. Her areas of responsibility include business development, marketing and communications.

Mathew succeeds Janet Rosenbaum, who has retired after eight years at Westat and four decades in industry overall.

Viasat

Shekar Ayyar and Jinhy Yoon have joined the board of directors at this satellite network operator, which announced their appointments as part of a cooperation agreement with one of its investors.

Carronade Capital Management is an activist investor that disclosed its 2.6% stake in Viasat in the summer of 2025, when the firm also recommended Viasat pursue either an initial public offering or spinoff of the defense and advanced technologies business.

Viasat’s board is conducting a strategic review to determine its path forward. Carronade has entered into customary standstill and voting agreements with Viasat, among other provisions.

Ayyar is chief executive of networking software company Arrcus, while Yoon is a 14-year veteran of PIMCO and a former Intelsat board member. SES acquired Intelsat in 2025 to create a larger satellite network operator.