Dane Stuckey, the former Chief Information Security Officer (CISO) of big data analytics and AI firm Palantir, has joined ChatGPT maker OpenAI as CISO. Stuckey served in senior security roles at Palantir Technologies for more than ten years, including over six years as the company’s CISO.

Password management and privileged access management firm Keeper Security has appointed James Scobey as its Chief Information Security Officer. Scobey previously served as CISO at the SEC since 2022. Prior to the SEC, Scobey served as President and CEO of SigmaCyber, CTO and Assistant Director of Cybersecurity Operations at the SEC, and Principal Systems Engineer and Cyber Performance Systems Engineer at MITRE.

Cyber risk solutions company Resilience has named Matthew Polly as Chief Revenue Officer (CRO). Prior to joining Resilience, Polly served as Vice President of Sales at CrowdStrike.

API security and bot management firm Cequence Security has announced the appointment of Randolph Barr as Chief Information Security Officer (CISO). Barr previously served as CISO at several major companies, including Zoom, Qualys, and WebEx.

Grady Summers has been appointed Chief Executive Officer (CEO) of Netwrix, succeeding Steve Dickson, who led the company for the past six years. Prior to Netwrix, Summers held leadership roles at SailPoint, FireEye/Mandiant, Ernst & Young, and General Electric.

Former Darktrace CEO Poppy Gustafsson has joined the UK government as Minister for Investment, being tasked with promoting the UK for business and investment. Gustafsson stepped down as CEO of the cybersecurity firm she co-founded after it was sold to private equity giant Thoma Bravo for $5.32 billion in cash.

Nupur Goyal has joined cloud identity security and management solutions provider Saviynt as VP of Product Marketing. Goyal previously served as Director of Product Marketing, Identity Security and Network Access at Microsoft. Prior to Microsoft, she held senior product marketing positions at Duo Security and SailPoint.

Threat intelligence firm Intel 471 announced that Mark Huebeler has been named its new Chief Operating Officer (COO) and Chief Financial Officer (CFO). Huebeler will oversee the company’s global operations and financial strategies.

Former OpenSSF general manager Omkhar Arasaratnam has joined Microsoft-owned LinkedIn as its first Distinguished Engineer for Security. He joins new LinkedIn CISO Lea Kissner on social media network’s security leadership team.

Defense contractor Nightwing has appointed Tricia Fitzmaurice as Chief Growth Officer. With an extensive experience in US government and national security programs, Fitzmaurice will lead the intelligence solutions company’s product and services expansion efforts, to drive growth across new and existing business models.

Zero trust access and protection firm Xage Security has appointed Russell McGuire as Global Chief Revenue Officer (CRO) and Ashraf Daqqa as Vice President of the META (Middle East, Turkey, and Africa) Region. McGuire will supervise global sales, customer acquisition, and market expansion, while Daqqa will be responsible for growing market awareness and presence in the META region.

Cyber Grant, a cybersecurity company specializing in data protection, has announced the appointment of Stephen Akridge as its CEO. Ackridge is known as the co-founder of the Solana blockchain ecosystem.

Non-human IAM company Aembit has announced the appointment of Mario Duarte as Chief Information Security Officer (CISO). Duarte joins Aembit from Snowflake, where he worked for nearly a decade, most recently as VP of security.

MDR provider Expel has announced that Mandiant founder and cybersecurity veteran Kevin Mandia has joined its board of directors. Mandia’s appointment reunites him with Expel founder and CEO Dave Merkel, who was an early employee at Mandiant, where the two pioneered the company’s managed defense offering. Mandia has also become chair of the board of directors of SpecterOps.

Adam Geller has joined Zscaler as Chief Product Officer. He most recently served as CEO of Exabeam, and previously held senior leadership roles at Palo Alto Networks, Symantec, and Verisign.

AMTSO, the cybersecurity industry’s testing standard community, has announced the appointment of Vlad Iliushin as its new President and CEO. Iliushin succeeds Dennis Batchelder, who is stepping down after eight years at the organization’s helm. liushin, founder and CEO of Ellio Technology, has been a member of AMTSO’s board since July 2022.