Bob Callaway is the leader of Google's Open Source Security Team (GOSST), spearheading initiatives to bolster the security of open source software, benefiting both Google and the global community. Under his leadership, the GOSST team develops and contributes to projects that address critical areas such as supply chain integrity, observability, and vulnerability management. GOSST also plays a pivotal role in managing essential internet infrastructure services, including
OSV,
Sigstore, and
Certificate Transparency logs. Bob's influence extends to advisory positions in key organizations: he serves as a member of the Technical Advisory Council for the
OpenSSF, is a co-founder and technical steering committee member of Sigstore, and represents Google on the
Alpha-Omega project leadership team. His extensive experience includes engineering and leadership roles at Red Hat, NetApp, and IBM. Bob holds a PhD in Computer Engineering from
NC State University, where he also shares his expertise as an adjunct assistant professor in the ECE department.
