Team
Every developer wants and needs fast builds
Created by the lead developer of Bazel, Google’s open-source build system, EngFlow optimizes software development by delivering fast builds and tests, making build results more accessible, and improving core Bazel to meet your needs. Startups and Fortune 500 companies alike love working with EngFlow to increase their productivity and keep their engineers in flow.
We make it happen

Helen Altshuler
Helen Altshuler
CEO, Co-Founder
CEO, Co-Founder
- led the enterprise customer onboarding to Bazel at Google
- co-created BazelCon
- has 20 years of experience as an engineering leader (Google), as start-up CTO (PeerIQ), and as Director of Engineering (J.P. Morgan)
- holds a BS in Computer Science from Pace University
Ulf Adams
Ulf Adams
CTO, Co-Founder
CTO, Co-Founder
- led the Bazel development and open-sourcing
- was in charge of Bazel and Blaze, Google’s internal equivalent, for 11 years, both as an individual contributor and a manager
- holds an MS in Computer Science from Stanford University
Susi Henchy Grimes
Susi Henchy Grimes
Head of Customer Success & Ops
Head of Customer Success & Ops
- was VP of Technology Operations (iland Cloud), Global Production Support manager (J.P. Morgan), and a Customer Success Engineer (Javelin)
- has 20 years experience in the technology industry
- holds a BS in Computer & Systems Engineering from Rensselaer Polytechnic Institute
Sara Adams
Sara Adams
DPO, Founding Engineer
DPO, Founding Engineer
- worked on Google’s privacy and security engineering for 11 years
- developed Google’s account management infrastructure used by billions of users
- holds a PhD in Computer Science from Oxford University
László Csomor
László Csomor
Founding Engineer
Founding Engineer
- played an integral role in the development and open-sourcing of Bazel
- led the Bazel-on-Windows team during his nine years at Google
- holds a BS in Computer Science from Budapest University of Technology and Economics
Matthew Beckman
Matthew Beckman
Head of Sales
Head of Sales
- has been selling into the developer and DevOps space for 8 years (AppDynamics, Dynatrace and Lacework) and in the IT sales industry for over 13 years
- holds a BA in Psychology from California State University
Yannic Bonenberger
Yannic Bonenberger
Software Engineer
Software Engineer
- has been contributing to Bazel since 2017
- initiated and co-maintains bazelbuild/rules_proto
- holds a BS in Computer Science from Technical University of Kaiserslautern
Sarah Raza
Sarah Raza
Engineering Intern
Engineering Intern
- studies Computer Science at Standford University
- received a 2019 Coca-Cola scholarship and 2017 HERlead fellowship
Will Martin
Will Martin
Software Engineer
Software Engineer
- built full stack web applications for five years at Trimble SketchUp
- holds a BS in Computer Science from Colorado State University
Luis Fernando Pino Duque
Luis Fernando Pino Duque
Software Engineer
Software Engineer
- developed Bazel with a focus on external APIs and MacOS support during his five years at Google
- holds a PhD in Computer Science from École Polytechnique
Benjamin Peterson
Benjamin Peterson
Software Engineer
Software Engineer
- worked on developer tools at Dropbox, migrating the company to Bazel and writing Bazel rules for Go and Python
- contributes to several open-source projects, including Bazel, CPython, and six
- holds a BA in Mathematics from Yale University
Samantha Matiychenko
Samantha Matiychenko
TechOps Intern
TechOps Intern
- studies Computer & Data Science at New York University
- experienced in helping organizations achieve and maintain SOC 2 compliance
Antonio Di Stefano
Antonio Di Stefano
Software Engineer
Software Engineer
- focused on distributed systems and build engineering as a full-stack engineer at eBay
- led a migration to Gradle at eBay
- studied Computer Science at ELIS College in Rome
Louis Goldstein
Louis Goldstein
Software Engineer
Software Engineer
- 25+ years of building high-performance real-time systems, Monte-Carlo simulation engines and enterprise software development frameworks at HP, J.P. Morgan, Aucerna and DraftKings
- holds an MS in Computer Engineering from the University of California, Santa Cruz
Vijay Kolappan
Vijay Kolappan
Developer Support Engineer
Developer Support Engineer
- developed tools, frameworks, and a full-stack web application for observability, DevOps, and Infrastructure Management (VMware)
- ported a Java framework to Bazel, 6x faster
- holds an MS in Computer Science from the University of Illinois Chicago
Peter Mounce
Peter Mounce
Developer Support Engineer
Developer Support Engineer
- worked as an engineering productivity & systems engineer at Improbable and Just Eat
- onboarded various teams into automated local & CI/CD workflows
- maintains Bazel Chocolatey package on Window
- holds a BEng in Computer Science from the University of York