Skip to profile
Derby, VT, USA

Leo S.

Empowering Businesses to Thrive in Transformation: AI Adoption, Organizational Change, and Learning Strategies

Leo Sevigny turns high-stakes transformation into measurable outcomes. With 20+ years leading ERP implementations, AI adoption, and HR transformation, he is known for aligning people, process, and technology so value is realized, not just planned. He operates where strategy meets day-to-day behavior, building sponsor alignment, role clarity, and workforce readiness that drive adoption and performance.

Leo’s edge is execution with proof. He designs and delivers AI enablement, change, and learning strategies that build trust, shift leadership behavior, and accelerate time to impact. Whether he is leading enterprise programs, building GenAI capability at scale, or integrating cultures after a merger, he owns outcomes across cost, speed, adoption, and credibility, and he brings the discipline to make those results repeatable.

Hire Leo
Leo S.

Work

CEO Leadership Acquisition and Integration:

evergreen3.com

Led talent, culture, and change strategy for a large-scale, 6-month acquisition, translating integration goals into executed culture activation, onboarding and learning, and practitioner upskilling. Built alignment and adoption across leaders and teams to stabilize delivery and maintain client confidence.

Exceeded growth expectations by converting a $53M revenue target into $88M by Q3 close, and reduced client losses through faster employee integration.

Change Capability Builds

Guided Finance, Health, and Education clients in building durable change and transformation capability from the ground up. Established governance, staffing models, and best-practice operating rhythms, and delivered process improvements plus practical content and templates to standardize execution.

Resulted in proficient internal change teams with clear skill priorities and increasing self-sufficiency to lead transformation without dependence on external support.

Custom GPT Guides and Workshops:

evergreen3.com

Developed Copilot Agents and custom GPT guidebook for a 7,000-employee organization to standardize safe, effective usage and accelerate adoption. Designed and facilitated workshops to evangelize the guide, led hands-on practice sessions, and provided one-on-one coaching to build practical skill and confidence.

Generated 240 employee-initiated custom GPT requests, signaling strong internal demand and sustained pull.

Humanize AI Train the Trainer

Built and launched the “Humanizing AI” enablement series to accelerate enterprise adoption of AI and GPT tools. Developed functional use cases and role-based instruction for HR, Finance, and Operations, and created a Train-the-Trainer model that equipped 300+ employees to coach and support practical daily use.

Drove a 300% user lift in target AI tool usage and scaled the program into multi-function, multi-client delivery.

Workshop and Learning Facilitation

Delivered 500+ executive-to-frontline workshops across technology, energy, manufacturing, and education, guiding leaders and teams from insight to action. Facilitated global programs across North America, Europe, and Asia-Pacific in both virtual and onsite formats.

Achieved 97% positive participant ratings, earned corporate and conference recognition, and generated 60%+ repeat clients or direct referrals.

Custom GPT & Knowledge Base Design

evergreen3.com

Architected a secure, role-based custom GPT and knowledge ecosystem to operationalize a Fortune 100 change-management methodology at scale. Led team that delivered GPT instructions, a custom LLM build, prompt libraries, a use-case catalog, ethical guardrails, and a practitioner job aids.

Drove 300% adoption growth in 90 days, increased practitioner confidence in daily use, and expanded the engagement 6x based on demonstrated value.

Tech Talent Social Change Strategy

evergreen3.com

Designed and led a 20,000-employee people, culture, and learning engagement network at a global aeronautics company to drive connection, knowledge-sharing, and behavior change at scale. Owned moderation operations, communications and PR, and executive leader engagement.

Faciltated social networking group with 1 Million annual actions, influenced HR policy revisions and increased global company employee engagement leading to internal recognition.

Experience

Oct 2025 — Present

Evergreen3

Founder and Principal Consultant

Evergreen3 is a consulting firm specializing in tailored workshops and strategic initiatives for various sectors.

Jun 2018 — Nov 2025
Accenture

Accenture

Manager Promoted to Sr. Manager Strategy and Managment Consulting (2020), Talent and Organization

Accenture is a global professional services company specializing in consulting and technology solutions.

Jul 2011 — Jun 2018
Boeing

Boeing

Global Program Manager Promoted (2015) to HR Transformation Lead

Boeing manufactures and sells aircraft, rotorcraft, rockets, and provides related services.

Jun 2007 — May 2010
Microsoft

Microsoft

Recruiter/ Account Manager

Microsoft is a leading software corporation providing a range of software, devices, and cloud-based services.

  • Designed and implemented a talent acquisition strategy increasing offer acceptance rates by 23% and boosting PhD hires by 50%.
  • Pioneered an internship program for underrepresented candidates, expanding the pipeline by 30% and enhancing diversity.
  • Exceeded hiring benchmarks by 10% as lead recruiter for competitive university talent, strengthening Microsoft’s academic presence.
Apr 2006 — Dec 2008

Evergreen3 Consulting

Co-Founder and Principal Consultant

Jun 2004 — Jun 2007

Lyndon State College

Associate Dean for Student Affairs

Lyndon State College offers a range of programs and services focused on student development and success.

Sep 1999 — Oct 2007

Various US Colleges and Universities

Adjunct Faculty / Instructor

Works across various higher education institutions in the U.S. as an adjunct faculty and instructor.

  • Designed, delivered, and assessed curricula across six higher education institutions, including Syracuse, Sonoma State, and UIUC.
  • Instructional expertise in Psychology, Communications, Leadership Studies, and Business Management, tailoring content to diverse goals.
  • Adapted teaching methodologies for face-to-face, online, and hybrid modalities to support academic success.