Enterprise SaaS
10 Workday engineering leaders
These ten Workday engineering leaders include Workday's CTO, along with a global CTO, vice presidents of engineering and engineering directors whose profiles cover data platforms, distributed systems, observability, HCM AI agents and AI engineering for Paradox. Readers can learn how Workday builds and runs the platform behind its enterprise HR and finance software.
Professionals to explore
01—10Alon Slutzky
LinkedInExperience: Director of Engineering · Workday
Director of Engineering at Workday since 2025; the profile says he leads AI engineering for Paradox (a Workday company) in Tel Aviv, building LLM-powered products. He was VP Engineering at Paradox (2021–2025) and Co-Founder & CTO of Spetz (2017–2021), which the profile lists as acquired by Paradox.
Bill Scott
LinkedInExperience: VP of Engineering · Workday
VP of Engineering at Workday since 2022. He was VP of Engineering at Avalara (2021–2022), Vice President, Software Engineering at Salesforce (2014–2021) and Senior Director, Software Development at Oracle (2006–2014). The profile describes Workday as an enterprise AI platform for HR, finance and IT.
Gabe Monroy
LinkedInExperience: Chief Technology Officer · Workday
Chief Technology Officer at Workday since 2026; the profile says he is focused on evolving Workday's technology stack to be more open, extensible and AI-native. He was SVP GM Platform at Workday (2025–2026), and at Google VP GM Cloud Runtimes (2025) and VP of Developer Experience (2023–2024).
Joe Wilson
LinkedInExperience: Global CTO · Workday
Global CTO at Workday since 2023, a C-level role in the Engineering and Technical department. His other Workday roles listed are Chief Technology Officer - Americas (2022–2023), Chief Technology Officer - North America (2017–2022), Manager, Enterprise Architects (2015–2017) and Enterprise Architect (2013–2015).
Owen Sullivan
LinkedInExperience: Director Software Engineering · Workday
Director Software Engineering at Workday since 2022; the profile says his team in Workday Dublin provides observability for Workday services. He also lists Senior Software Development Manager (from 2018, no end date shown) and Software Development Manager (2016–2018) at Workday, and Software Development Manager - AWS CloudWatch at Amazon (2014–2016).
Pat Kirby
LinkedInExperience: VP of Software Engineering · Workday
VP of Software Engineering at Workday since 2020, a President/Vice President-level role in the Engineering and Technical department. Other Workday roles listed are Sr. Director of Engineering (2017–2020), Director of Engineering (2014–2020) and Senior Performance Engineer (2010–2014).
Patrick O Connor
LinkedInExperience: Vice President of Engineering · Workday
Vice President of Engineering at Workday since 2024; his headline reads VP of Engineering & Product at Workday. Other Workday roles listed are Senior Director Of Engineering (2020–2024) and Director Of Engineering (2019–2020), and he was Director of Engineering at Symantec (2015–2019).
Ray Chan
LinkedInExperience: Vice President Of Software Development · Workday
Vice President Of Software Development at Workday since 2020, a President/Vice President-level role in the Engineering and Technical department. Other Workday roles listed are Senior Director (2019–2020), Director, Software Development Engineering (2016–2019) and Senior Development Manager (2011–2016).
Srinivas Vippagunta
LinkedInExperience: Vice President, Software Engineering · Workday
Vice President, Software Engineering at Workday since 2020; the profile says he is responsible for operational data platforms powering AI and agentic workloads, core distributed systems powering Workday SaaS and global observability engineering, leading a geographically distributed organization. He was Sr. Director - Cloud Platform Engineering at Symantec (2017–2020).
Steve Chui
LinkedInExperience: Engineering Director HCM Core Product & AI · Workday
Engineering Director HCM Core Product & AI at Workday since 2022; the profile says he leads engineering for AI agents and agentic products on Workday's core HCM platform. Other Workday roles listed are Senior Engineering Manager, Enterprise API Platforms (2018–2022) and Senior Engineering Manager, Internal Tools & Developer Platform (2014–2018).
Choose the right perspective
Match the leader's area to your question, since platform, data, observability and AI product teams each see different parts of Workday's engineering decisions. The CTOs and vice presidents suit questions about technology strategy and organization design, while directors suit questions about running a specific product or platform team.
Questions to take into the conversation
- 01How does Workday decide which parts of its technology stack to open up to customers and partners?
- 02What does it take to add AI agents to an established enterprise application without disrupting existing customers?
- 03How should an enterprise SaaS company organize observability and core distributed systems teams?
About this directory
This is a professional research starting point based on business profile data retrieved on . Titles and companies reflect that source snapshot and may describe past or present roles. Check the linked profiles for current details. Inclusion does not imply Instant Expert membership or availability.
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