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Fletcher Spaght, Inc. has provided 40 years of value to healthcare & life sciences companies and investors

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Experienced healthcare leadership team

FSI is a strategy consulting firm focused on healthcare & life sciences

FSI specializes in growth strategy, business planning, investment diligence and fundraising. Our clients range from start-ups to multi billion-dollar global leaders

Clients hire FSI for our subject-matter specialization and our ability to provide cost-effective, timely and actionable output

In growth strategy projects, we determine market receptivity, successful commercialization strategies, the level of unique competitive advantage and the impact of competitive response

FSI develops the information and analysis that management teams need to confidently decide among alternatives to increase growth


FSI’s leaders are subject matter experts. Their healthcare specialization, combined with decades of experience, enables them to effectively assist clients seeking higher levels of growth and increased enterprise value. 

Each FSI senior leader has executive management, investor, and board experience. 

Healthcare consultants dicussing a growth strategy at a table


of FSI employees hold advanced degrees

FSI projects are for repeat clients

2 out of every 3


of partnership team has practical, operational experience


years of encouraging Diversity, Equity & Inclusion

FSI attributes responsible for years of repeat clients


Meet the Leadership Team


Peter Low

Senior Vice President

Brett Larson

Senior Vice President

John Fletcher

Managing Partner Emeritus

Guy Fish, MD

Strategic Advisor

Our History

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Founded in 1983, FSI was created when John Fletcher and Peary Spaght left the Boston Consulting Group to focus on growth strategy for healthcare and technology clients.

Healthcare professional assisting patient in lifting a weight representing healthcare services

FSI Pride

  • Long-term client relationships based on their repeated success

  • Supporting companies and investors who improve patient care

  • FSI alumni who drive improved value in healthcare






Next generation of FSI partners begin leadership


FSI primary focus on serving healthcare/ life sciences clients


Fletcher Spaght Ventures (FSV) established

  • FSV I $30M healthcare & technology fund

  • FSV II $100M healthcare fund


Spun out of Boston Consulting Group to focus on growth strategy for healthcare and technology clients

Originally an aeronautical engineer at NASA, Peary brought his capabilities to Fletcher and Company and added a Technology practice as a complement to the firm’s Healthcare practice. Thereafter, the firm changed its name to reflect the partnership that created the foundation of Fletcher Spaght, Inc.  Peary was a General Partner of FSI for nearly 40 years and was also instrumental in the creation and management of Fletcher Spaght Ventures.


Prior to FSI, Peary held corporate strategy and operational roles and was a Senior Manager at The Boston Consulting Group, where he and John Fletcher originally met.  Peary received an MBA, an MS in Aeronautical/Astronautical Engineering, and a BS in Mechanical Engineering, all from Stanford University.

FSI is grateful for the extensive contributions Peary made to his clients, our staff and our firm. We honor the passing of our partner and dear friend.

In Memoriam, 1944 - 2023

Peary Spaght
General Partner Emeritus

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