Stephen M. Yoss, MS, CPA
A CPA turned technologist who builds the software other firms can't buy off the shelf. As CEO of Devmatics, Stephen leads a senior team shipping custom applications, deep integrations, and production AI. He's also among the profession's most-booked continuing-education speakers — training 100,000+ professionals on AI, automation, security, and the modern cloud. The common thread across every role: turning hard technology problems into things that actually work.
Education & professional licenses
- May 2017 Master of Science, Information Systems & TechnologyClaremont Graduate University — Claremont, CA
- Aug 2010 Certified Public AccountantState of California — License #109744
- Dec 2007 Bachelor of Science, AccountingLoyola Marymount University — Los Angeles, CA
- Dec 2007 Bachelor of Business Administration, International BusinessLoyola Marymount University — Los Angeles, CA
- Dec 2006 Licensed PyrotechnicianState of California
- May 2003 Graduate, Damien High SchoolLa Verne, CA
Experience
Founder & CEO · Devmatics, LLC
- Lead a senior, in-house engineering team building custom applications, system integrations, and production AI for organizations that can't buy what they need off the shelf.
- Set technology strategy for companies modernizing legacy systems — cloud migration, workflow automation, and AI adoption that ships and sticks.
- Architect and deliver line-of-business software and learning platforms end to end, from discovery and design through production, security, and support.
- Scope and run engagements well into six figures, owning everything from the proposal and roadmap to the final release.
- Founded the firm and run day-to-day operations, hiring, and client strategy.
Author, Speaker & Instructor · CPE Today · K2 Enterprises
- Present at 200+ live and virtual events each year — one of the accounting profession's most-booked technology speakers.
- Trained 100,000+ accountants and finance professionals across a 15-year speaking career.
- Author and maintain a 150+ course continuing-education catalog spanning generative AI, automation, Excel & Power Query, cybersecurity, and the cloud.
- Translate fast-moving technology into practical, immediately usable guidance for non-technical audiences.
Awards, affiliations & memberships
- 2017 Alpha Delta Gamma Man of the YearLos Angeles, CA
- 2005 Crimson Circle Service OrganizationLoyola Marymount University
- 2004 Entrepreneurship Fellow (Diamond)Loyola Marymount University
- 2004 Alpha Delta Gamma FraternityLoyola Marymount University
- 2003 Eagle Scout, Boy Scouts of AmericaClaremont, CA
Focus areas
AI & automation
Putting generative AI and automation to work — agents, workflows, and tooling that remove real busywork.
Software architecture & integration
Designing, building, and connecting the systems organizations run on — cloud-native and built to last.
Teaching & thought leadership
Turning complex, fast-moving technology into clear, actionable training for thousands of professionals a year.
Want the live version?
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