Errin O'Connor
Founder & Chief AI Architect
29 years transforming enterprise IT through Microsoft ecosystem expertise. Bestselling author, trusted advisor to Fortune 500 CTOs and CIOs.
Career Highlights
Microsoft Press Author
Authored 4 bestselling technical books published by Microsoft Press:
- • "Microsoft Power BI Dashboards Step by Step" - Enterprise analytics bible
- • "SharePoint 2013 Field Guide: Advice from the Consulting Trenches" - Best practices & proven strategies
- • "Microsoft SharePoint Foundation 2010: Inside Out" - Comprehensive SharePoint 2010 guide
- • "Windows SharePoint Services 3.0: Inside Out" - WSS 3.0 deep dive
Microsoft Gold Partner
Founded EPC Group with Gold Partner-level expertise across:
- • Cloud Platform: Azure migrations & optimization
- • Data & AI: Power BI, Azure OpenAI, Copilot
- • Collaboration: Microsoft 365, SharePoint, Teams
- • Security: Zero Trust, compliance frameworks
Enterprise-Scale Proven
Led 500+ enterprise projects including:
- • 10,000+ user migrations from on-premises to Microsoft 365
- • Fortune 500 implementations in healthcare, finance, government
- • Multi-million dollar projects with zero data loss
- • Compliance audits passed: HIPAA, SOC 2, FedRAMP
Thought Leadership
Recognized industry expert through:
- • Conference Speaker: Microsoft Ignite, SharePoint Conference
- • Technical Webinars: 100+ presentations on AI & cloud
- • Industry Publications: TechNet, MSDN Magazine articles
- • Advisory Boards: Microsoft partner advisory councils
Technical Expertise
AI & Copilot
- • Microsoft Copilot Studio
- • Azure OpenAI Service
- • AI governance frameworks
- • Responsible AI implementation
- • Prompt engineering
Power BI & Analytics
- • Advanced DAX formulas
- • Enterprise data modeling
- • Power BI Premium deployment
- • Paginated reports (SSRS)
- • Azure Synapse integration
SharePoint & Microsoft 365
- • Large-scale migrations
- • Modern intranet design
- • SharePoint Framework (SPFx)
- • Microsoft Viva deployment
- • Governance & compliance
Azure Cloud
- • Azure architecture design
- • Infrastructure-as-code (Bicep)
- • Azure DevOps pipelines
- • Cost optimization strategies
- • Hybrid cloud configurations
Security & Compliance
- • Zero Trust architecture
- • HIPAA compliance frameworks
- • SOC 2 audit preparation
- • FedRAMP-aligned consulting expertise work
- • Microsoft Defender 365
Data Governance
- • Microsoft Purview deployment
- • Data classification & DLP
- • Retention policy design
- • eDiscovery & legal holds
- • Privacy impact assessments
Microsoft Press Bestselling Author
Errin is the author of four bestselling books published by Microsoft Press and Sams Publishing, with over 50,000 copies sold worldwide and translations in six languages.
- Microsoft Power BI Dashboards Step by Step — Microsoft Press, 2018 — ISBN 978-1509308033
- SharePoint 2013 Field Guide: Advice from the Consulting Trenches — Sams Publishing (Pearson), 2014 — ISBN 978-0789751195
- Microsoft SharePoint Foundation 2010 Inside Out — Microsoft Press, 2011 — ISBN 978-0735627246
- Windows SharePoint Services 3.0 Inside Out — Microsoft Press, 2007 — ISBN 978-0735623231
Industry Recognition
Microsoft MVP & Beta Team Member
Microsoft MVP (multiple years starting 2002–2003). Original SharePoint Beta Team member (Project Tahoe). Original Power BI Beta Team member (Project Crescent). FedRAMP-aligned consulting expertise. Worked with U.S. CIO Vivek Kundra on the Obama administration's 25-Point Plan to reform federal IT, and with NASA CIO Chris Kemp as Lead Architect on the Nebula Cloud project.
Bestselling Author
4 Microsoft Press books with 50,000+ copies sold worldwide, translated into 6 languages.
Conference Speaker
Regular speaker at Microsoft Ignite, SharePoint Conference North America, and regional user groups.
Trusted Advisor
Advisor to Fortune 500 CTOs and CIOs on AI strategy, cloud transformation, and digital workplace initiatives.
Leadership Philosophy
"Compliance is not a checkbox—it's a foundation."
Every solution must be designed with HIPAA, GDPR, SOC 2, or FedRAMP requirements built-in from day one. Security is never an afterthought.
"AI without governance is risk without reward."
Enterprise AI requires robust governance frameworks, audit trails, bias testing, and human oversight to deliver value responsibly.
"Measure success by business outcomes, not technology deployed."
Technology is a means to an end. Focus on ROI: faster processes, reduced costs, improved decision-making, and measurable productivity gains.
"Enterprise-grade means production-ready, not demo-ready."
Fortune 500 organizations need scalable, secure, auditable solutions—not proof-of-concepts that break under load.
Certifications & Credentials
Azure Solutions Architect Expert
Microsoft Certified
CISSP
Certified Information Systems Security Professional
Power BI Expert
Microsoft Certified Data Analyst
AI-900
Azure AI Fundamentals
What Clients Say
"Errin's expertise saved us 6 months on our Azure migration. His books were our roadmap, and his team executed flawlessly. Zero downtime on a 5,000-user environment."
— CTO, Healthcare System (8,000 employees)
"The Power BI dashboards Errin built transformed our executive decision-making. His DAX expertise is unmatched—we see insights we never knew existed."
— CFO, Financial Services Firm ($2B AUM)
"Our SOC 2 Type II audit passed on first attempt thanks to Errin's governance framework. His compliance expertise in fintech is exceptional."
— CISO, Payment Processing Company
"Errin's AI governance framework gave us confidence to deploy Copilot enterprise-wide. His human-in-the-loop approach balanced innovation with responsibility."
— Chief AI Officer, Fortune 500 Manufacturer
Frequently Asked Questions
Who is Errin O'Connor?
Errin O'Connor is the Founder, CEO, and Chief AI Architect of EPC Group, a premier Microsoft consulting firm. With 29 years of enterprise IT experience, he is a 4-time bestselling Microsoft Press author and trusted advisor to Fortune 500 CTOs and CIOs across healthcare, finance, and government sectors.
What books has Errin O'Connor written?
Errin O'Connor has authored four bestselling books published by Microsoft Press: "Microsoft Power BI Dashboards Step by Step," "SharePoint 2013 Field Guide: Advice from the Consulting Trenches," "Microsoft SharePoint Foundation 2010: Inside Out," and "Windows SharePoint Services 3.0: Inside Out." These books have sold over 50,000 copies worldwide and been translated into 6 languages.
Has Errin O'Connor served on Microsoft beta teams?
Yes, Errin O'Connor has participated in multiple Microsoft beta programs and advisory councils throughout his career. His deep involvement with Microsoft's product development has given EPC Group early access to emerging technologies and informed the firm's enterprise consulting methodologies.
What is Errin O'Connor's experience with NASA?
Errin O'Connor and EPC Group have provided Microsoft technology consulting to NASA and other federal agencies, implementing secure collaboration platforms, data analytics solutions, and compliance frameworks that meet stringent government security requirements including FedRAMP-aligned consulting expertise work.
Does Errin O'Connor speak at industry conferences?
Yes, Errin O'Connor is a regular speaker at major industry conferences including Microsoft Ignite, SharePoint Conference North America, and regional Microsoft user groups. He has delivered over 100 technical presentations on AI, cloud architecture, Power BI, and enterprise digital transformation.
Work Directly with Errin
Schedule a consultation to discuss your AI architecture, cloud migration, or compliance needs.
Errin O'Connor — Chief AI Architect & Founder, EPC Group
Errin O'Connor is the founder and Chief AI Architect of EPC Group, a 29-year enterprise Microsoft consulting firm. He is a Microsoft MVP (Errin O'Connor, first awarded 2003), original SharePoint Beta Team member, original Power BI Beta Team member, and four-time Microsoft Press bestselling author. He has led AI and cloud projects for NASA, the Federal Reserve, the Pentagon, and Fortune 500 companies.
Key facts
- Microsoft MVP (Errin O'Connor, first awarded 2003) since 2002–2003.
- Original SharePoint Beta Team member (Project Tahoe, 2000).
- Original Power BI Beta Team member (Project Crescent, 2014).
- Author of four Microsoft Press / Sams bestsellers on SharePoint, Power BI, and migrations.
- Lead Architect, NASA Nebula Cloud project under CIO Chris Kemp.
- Contributor to U.S. CIO Vivek Kundra's Obama 25-Point IT Reform Plan.
Career highlights
Microsoft Press author
Errin has written four bestselling Microsoft Press and Sams books. They are required reading in enterprise SharePoint and Power BI programs worldwide.
- Microsoft Power BI Dashboards Step by Step — Enterprise analytics bible.
- SharePoint 2013 Field Guide: Advice from the Consulting Trenches — Best practices and proven strategies.
- Microsoft SharePoint Foundation 2010: Inside Out — Comprehensive SharePoint 2010 guide.
- Windows SharePoint Services 3.0: Inside Out — WSS 3.0 deep dive.
Microsoft Gold Partner (2016-2022)
Errin built EPC Group into the oldest continuous Microsoft Gold Partner in North America (2003–2022). The firm now holds all six Microsoft Solutions Partner designations under his leadership.
Enterprise-scale proven
Errin has led 11,000+ Microsoft enterprise engagements. His client roster includes NASA, the FBI, the Federal Reserve, the Pentagon, United Airlines, PepsiCo, Nike, and Northrop Grumman.
Thought leadership
Errin has spoken at Gartner Summits, the Microsoft SharePoint Conference, and the Microsoft Business Applications Summit. He contributes to FedRAMP framework guidance and served on the Obama administration's 25-Point IT Reform Plan with U.S. CIO Vivek Kundra.
Technical expertise
- AI & Copilot — AI governance (NIST AI RMF, EU AI Act), Azure OpenAI, Microsoft Copilot deployment.
- Power BI & Analytics — DAX modeling, Microsoft Fabric, Copilot for Power BI, enterprise semantic models.
- SharePoint & Microsoft 365 — Migrations, intranet architecture, governance, hybrid environments.
- Azure Cloud — Landing zones, migrations, FinOps, multi-cloud architecture.
- Security & Compliance — HIPAA, FedRAMP, CMMC, SOC 2, Zero Trust architecture.
- Data Governance — Microsoft Purview, sensitivity labels, information barriers, audit trails.
Industry recognition
Microsoft MVP (Errin O'Connor, first awarded 2003) and Beta Team member
Errin held Microsoft MVP (Errin O'Connor, first awarded 2003) status from 2002–2003. He was a member of both the original SharePoint Beta Team (Project Tahoe, pre-2001 launch) and the original Power BI Beta Team (Project Crescent, 2014). Few consultants have been inside two separate Microsoft platform launches from inception.
Bestselling author
All four of Errin's books reached bestseller status within their Microsoft Press categories. The books are peer-reviewed by Microsoft engineering teams and used by enterprise architects globally.
Conference speaker
Errin has keynoted and spoken at major Microsoft and industry conferences since 2006. He delivers practical sessions on AI governance, SharePoint architecture, Power BI strategy, and enterprise cloud migrations.
Trusted advisor to government
Errin worked directly with U.S. CIO Vivek Kundra on the Obama administration's 25-Point IT Reform Plan. He served as Lead Architect on the NASA Nebula Cloud project under CIO Chris Kemp — one of the first large-scale government cloud deployments in the United States.
Certifications and credentials
- Azure Solutions Architect Expert
- CISSP (Certified Information Systems Security Professional)
- Power BI Expert
- AI-900 (Azure AI Fundamentals)
Leadership philosophy
Errin believes every enterprise Microsoft decision carries a 10-year tail. Poor architecture choices made today become expensive migration projects tomorrow. His approach: design for governance first, build for scale second, and train the client team before closing the engagement.
Frequently asked questions
Who is Errin O'Connor?
Errin O'Connor is the founder and Chief AI Architect of EPC Group. He has 29 years of Microsoft consulting experience, MVP recognition, membership on two Microsoft beta teams, and four published Microsoft Press bestsellers. He has led enterprise projects for NASA, the FBI, the Pentagon, and Fortune 500 companies.
What books has Errin O'Connor written?
Errin has written four Microsoft Press and Sams bestsellers: Microsoft Power BI Dashboards Step by Step, SharePoint 2013 Field Guide, Microsoft SharePoint Foundation 2010: Inside Out, and Windows SharePoint Services 3.0: Inside Out. Full ISBNs are available on the EPC Group bio page.
Has Errin O'Connor served on Microsoft beta teams?
Yes — two. Errin was on the original SharePoint Beta Team (Project Tahoe, 2000) before the 2001 launch. He was also on the original Power BI Beta Team (Project Crescent, 2014). He is one of the few consultants to have been inside both platform launches from inception.
What is Errin O'Connor's experience with NASA?
Errin served as Lead Architect on the NASA Nebula Cloud project under NASA CIO Chris Kemp. NASA Nebula was one of the first large-scale U.S. government cloud infrastructure programs, predating most commercial cloud adoption in the public sector.
Does Errin O'Connor speak at industry conferences?
Yes. Errin has spoken at Gartner Summits, the Microsoft SharePoint Conference (2009, 2011, 2014), the Microsoft Business Applications Summit, and SharePoint Summit Canada (2009). He speaks on AI governance, SharePoint, Power BI, and enterprise cloud strategy.
Work directly with Errin
Senior-level engagements with Errin are available for AI governance, SharePoint architecture, Power BI strategy, and Azure migrations. Call (888) 381-9725 or request a 30-minute discovery call.