Senior-led advisory for growth-stage CEOs, supported by systems designed to see deeper, move faster, and make transformation stick.
Built for PE-Backed Growth
Growth-stage complexity. Enterprise-level expectations.
Whether you're professionalizing operations, integrating an acquisition, or scaling for exit, you need clarity, not more consultants.
Boards want results. Consultants deliver decks.
You're stuck in the middle.
You don't need more advisors. You need advisors who can actually see and help you move with clarity.
What If
Synthesized across functions, teams, and data
Visible while there's still time to act
Grounded in clarity, not gut feel
This is what becomes possible.
Introducing
At HARRIS | ALLISON, we believe transformation accelerates when experienced human judgement is paired with intelligent orchestration.
That's why our work is supported by A.L.L.I.S.O.N., an internal intelligence engine designed to help our consultants synthesize signals across strategy, operations, culture, and performance.
A.L.L.I.S.O.N. doesn't replace judgement. She sharpens it.
This Human + System model allows us to move faster, see deeper, and deliver results that actually stick.
Learn more about A.L.L.I.S.O.N. →Not consultants. Operators. Backed by an intelligence platform that surfaces what spreadsheets and slide decks never will. We don't advise from the sidelines. We help you see, decide, and execute.
Market positioning, growth architecture, and strategic planning that translates vision into value creation roadmaps with measurable milestones.
Operational due diligence, 100-day planning, and post-close execution that protects thesis value and accelerates synergy capture.
Data strategy, AI implementation, and analytics infrastructure that surfaces the signals leadership needs to move faster with confidence.
Revenue operations, go-to-market optimization, and sales infrastructure that transitions founder-led hustle into repeatable, scalable growth.
Leadership development, organizational design, and culture architecture that builds the bench strength growth demands.
Tech modernization, process optimization, and operational excellence that unlocks the margin improvement and velocity your thesis requires.
Our Methodology
The proprietary framework behind transformation that sticks. We didn't just develop it. We wrote the book on it.
Surface the fractures before they become failures
Architect infrastructure that enables scaled execution
Embed practices and behaviors that make trust operational
Evolve the system as you scale, maintaining momentum
Available January 2026
18 chapters of tools, assessments, and real-world applications. The complete framework for mid-market leaders navigating complexity.
Join the WaitlistThe Team
Every engagement is led by partners who've spent decades in the arena. Building teams, leading through crisis, scaling organizations. Not observers. Practitioners.
Proof
Quincy Lima
Professional Services, Tech
Bold Yet Humble"Jason Lee is bold yet humble; energetic and driven yet composed and level-headed. He provides brutally honest feedback but always with kindness and direction."
Vandad Ghorbani
Professional Services, FinTech
Strategic Planning"Rachel Cogar has a gift for planning, structuring, and utilizing the strengths of the entire organization to create a unified and authentic voice that speaks to the overall strategy and direction."
Mitch Aubin
Enterprise Technology, Automotive
Visionary Strategist"Bill Harris is a driven technical visionary and strategist that also enjoys rolling up his sleeves to get into the details to get the job done. He is adept at building strong and lasting client relationships."
Carl Horton
Enterprise Technology
Solution-Oriented"Jason Lee excels at building strong client relationships and has the persistence and creativity to navigate complex challenges with a solution-oriented mindset."
Chuck Melton
Transportation, Technology
Exceptional Mind"I consider Rachel Cogar to be one of the exceptional minds today in guiding companies through this rapidly changing and challenging environment we all find ourselves in. She is exceptionally well read and has an innate sense of how we behave and why we buy what we do."
Jeff Sears
Healthcare Tech, Investor
Client Relationships"Bill Harris's personal style and customer interaction were the hinge factors in closing deals. Customers and the sales team love this guy!"
Missy Fahs
Enterprise Technology
Long-Term Partnerships"Jason Lee's empathetic approach has fostered long-term partnerships, resulting in high levels of client satisfaction and loyalty."
Andrea Lipka
Professional Services, Enterprise Consulting
Best-in-Class"Rachel Cogar's professionalism and strategies are the best I've ever seen! It's not just her work, but who she is as a person."
No pitch decks. No junior associates. Just a direct conversation with senior advisors who've been where you are, and can help you get where you're going.
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Monthly insights for mid-market leaders. No fluff. No recycled advice. Just perspective from the field.