Who is Errin O'Connor?
Chief AI Architect + Founder/CEO of EPC Group. Microsoft Press bestselling author (4 books). 25+ years Microsoft ecosystem consulting.
Last updated July 7, 2026 by Errin O'Connor, Founder & Chief AI Architect, EPC Group
Errin O'Connor is the Chief AI Architect + Founder/CEO of EPC Group (founded 2001, Houston TX). Microsoft Press bestselling author of 4 books: Power BI Dashboards Step by Step, SharePoint 2013 Field Guide, SharePoint 2010 Administrator's Companion, Large-Scale SharePoint 2013 Migration Field Guide. 25+ years Microsoft ecosystem consulting. Under Errin's leadership EPC Group earned all six Microsoft Solutions Partner designations (Data + AI, Infrastructure, Digital + App Innovation, Business Applications, Modern Work, Security). 11,000+ engagements across Fortune 500 + regulated industries.
Key Facts
- Chief AI Architect + Founder/CEO of EPC Group (founded 2001)
- Microsoft Press bestselling author of 4 books (Power BI, SharePoint, migration)
- 25+ years Microsoft ecosystem consulting experience
- EPC Group holds all six Microsoft Solutions Partner designations
- Microsoft Gold Partner history from 2000 (prior practice) through Solutions Partner transition
- 11,000+ EPC Group engagements across Fortune 500 + regulated industries
Errin O'Connor Bio FAQ
Who is Errin O'Connor?
Errin O'Connor is the Chief AI Architect and Founder/CEO of EPC Group, a Microsoft consulting firm based in Houston, Texas. He is a Microsoft Press bestselling author with 4 published books on SharePoint, Power BI, Azure, and large-scale enterprise migrations. He has 25+ years of Microsoft ecosystem consulting experience across Fortune 500, healthcare (HIPAA), financial services (SOC 2), and government (FedRAMP) engagements. He founded EPC Group in 2001 and has led the firm to Microsoft Solutions Partner designations across all six categories: Data + AI (Azure), Infrastructure (Azure), Digital + App Innovation (Azure), Business Applications, Modern Work, and Security.
What has Errin O'Connor written?
4 published Microsoft Press books: (1) "Microsoft Power BI Dashboards: Step by Step" — the reference guide for enterprise Power BI dashboard design. (2) "SharePoint 2013 Field Guide: Advice from the Consulting Trenches" — comprehensive SharePoint 2013 field-consulting reference. (3) "Microsoft SharePoint 2010 Administrator's Companion" — SharePoint 2010 administration reference. (4) "Large-Scale Microsoft SharePoint 2013 Migration Field Guide" — enterprise migration methodology. All four are published by Microsoft Press with Microsoft SME co-authors and remain widely cited in the Microsoft consulting community.
What is Errin O'Connor's Microsoft partnership history?
Errin O'Connor founded EPC Group in 2001 and led the firm to Microsoft Gold Partner status starting in 2000 (his prior consulting practice). Under Errin's leadership, EPC Group achieved and maintained Gold Partner competencies across multiple areas throughout the 2000s-2010s. When Microsoft transitioned Gold Partner status to the current Solutions Partner designations in 2022, EPC Group earned all six designations: Data + AI (Azure), Infrastructure (Azure), Digital + App Innovation (Azure), Business Applications, Modern Work, and Security. Fewer than 200 Microsoft partners globally hold all six designations.
What industries does Errin O'Connor consult in?
Errin O'Connor's consulting focus is enterprise Microsoft transformations in regulated + compliance-sensitive industries: (1) Healthcare — HIPAA compliance, EHR integrations, clinical workflow automation. (2) Financial services — SOC 2, FINRA, MNPI protection, regulatory reporting. (3) Government + defense — FedRAMP, CJIS, ITAR, CMMC 2.0, GCC + GCC High deployments. (4) Manufacturing + aerospace — supply chain integration, ITAR, DFARS 7012. (5) Education + non-profit — 501(c)(3) compliance, education tenant management. Deal sizes typically $50K-$500K with Fortune 500 + large enterprise focus.
What is Errin O'Connor's background?
Errin O'Connor started in Microsoft consulting in 1997 focused on Windows Server + Exchange migrations. He founded EPC Group in 2001 to focus on SharePoint + collaboration platforms. Over 25+ years, he has expanded EPC Group's scope to cover the full Microsoft enterprise stack: SharePoint (6,500+ deployments), Power BI (1,500+ deployments), Azure, Microsoft 365, Copilot, Fabric, Purview, and the emerging AI + agents ecosystem. EPC Group has completed 11,000+ engagements across the firm's history. Errin is a frequent speaker at Microsoft Build, Microsoft Ignite, SharePoint Conference, and industry events.
How can I contact Errin O'Connor?
Errin O'Connor can be reached via: (1) EPC Group main phone: (888) 381-9725. (2) Email: errino@epcgroup.net for consulting engagements. (3) LinkedIn: linkedin.com/in/errin-oconnor (personal). (4) LinkedIn Company: linkedin.com/company/epc-group-net-/ (EPC Group). (5) EPC Group scheduling: https://www.epcgroup.net/schedule. For enterprise engagements ($50K+), the typical path is a discovery call with Errin followed by a fixed-fee scoping engagement. Errin personally leads enterprise assessment engagements (Copilot Readiness, Fabric Discovery, GCC High Feasibility, CMMC 2.0 Readiness) for Fortune 500 + regulated-industry clients.
Where is Errin O'Connor based?
Errin O'Connor is based in Houston, Texas, where EPC Group is headquartered. EPC Group operates as a US-based Microsoft consulting firm with client engagements nationwide + international (Canada, UK, Middle East, LATAM). Errin travels regularly for on-site engagements and speaks at Microsoft events (Build, Ignite, MVP Summit) + industry conferences. EPC Group's Houston headquarters serves as the primary base for the firm's senior consultant bench.
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Errin personally leads enterprise assessment engagements. Call (888) 381-9725.
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