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Harbor Light Capital Partners

Venture capital

Keene · Seed–Series A · 9 people tracked

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Investment thesis

Harbor Light Capital Partners backs capital-efficient early-stage companies that typically raise under $50M over their lifecycle, writing checks of $1-5M. The firm focuses on the funding gap between seed and the first institutional round, but also leads traditional Series A rounds. It concentrates on information technology and healthcare businesses with innovative or disruptive technology, strong intellectual property, large market opportunities, and proven management teams. Unlike traditional funds constrained by 4-6 year holding periods, HLCP takes a longer-term view. It engages actively at the board level, supports strategic planning, business development and sales expansion, helps syndicate future rounds, seeks non-dilutive capital sources, and uses financial leverage where appropriate.

Source: firm website, verified Aug 3, 2026.

Stage
Seed–Series A
Check
$1M – $5M
HQ
Keene, US
Leads rounds
Leads
Instruments
Equity
Tracked investments
23

Team · 9 people

from the firm's website
Bob Cronin· Advisory Board Member

Bob Cronin is an investment banker with about 25 years of experience advising emerging growth technology companies on M&A, private capital raising, and strategic advisory. He was previously a Managing Director at Bowen Advisors, a Boston technology investment banking firm covering enterprise information management software including advanced analytics, business intelligence, enterprise content management, and data integration and management. Earlier he spent more than 15 years at Stonebridge Associates, LLC as a founder and Senior Managing Director leading its technology practice.

Harry J Healer Jr· Advisory Board Member

Harry J. Healer, JR has 40 years of venture capital experience. He spent 11 years co-managing FleetBoston Financial (BankBoston's) venture affiliates before leaving in 1980 to co-found The Venture Capital Fund of New England (VCFNE), where he has served as general partner across a succession of early-stage venture funds. He focuses on information and industrial technology investments and holds a BS in Business Administration from Babson College.

Jeff Miller· Former President of Markem Corporation

Jeff Miller spent a 27-year career at Markem Corporation (now Markem-Imaje), a global product identification solutions provider, where he served as President and was the senior non-family executive. He has held professional directorships at private and public companies, including independent director of Watlow Electric Manufacturing Company since 2004 and director of Cognex Corporation from 2010 to 2018. He holds an A.B. from Dartmouth College (1978) and an M.B.A. from Harvard University (1981).

Jim Putnam· Advisory Board Member

Jim Putnam spent his career at MARKEM Corporation starting in 1974, rising through management roles to become general manager of US operations and a board member in 1987, then President in 1992 and Chairman in 1999 before retiring in 2006. He has served as a board member of Lab Tech, Hitchiner Manufacturing, and Spectra, Inc. He holds a B.A. from Hanover College and an M.B.A. from the Whittemore School of Business Administration at the University of New Hampshire.

Jim Rothnie· Advisory Board Member

Dr. Jim Rothnie has more than three decades of experience in the computer industry. He was previously Senior Vice President and Chief Technology Officer at EMC and Vice President of Software Development at Data General Corporation, and earlier served as Executive Vice President of Kendall Square Research, where he oversaw the development of large-scale parallel computers and related software. He began his career at Computer Corporation of America, rising to President and COO, and holds a B.S. and Ph.D. from MIT.

Rich Upton· Investment Team
Rob Roy· Executive Director, Ventry Industries, LLC

Rob Roy has served as Executive Director of Ventry Industries, LLC since 2001, where he oversees investment policy, selection and review of investment managers, and evaluation of financial and operating strategies. He previously spent six years as CFO and CIO of Peerless Clothing, Inc., a privately held apparel manufacturer, where he handled the company's financial functions and helped establish a family office. He is a certified management accountant and holds a Bachelor of Commerce in accounting and an MBA in finance from Concordia University.

Rosamond Delori· Manager of Harbor Light Alternative Investment Holdings

Rosamond Delori is a Manager of Harbor Light Alternative Investment Holdings, a fund of non-traditional investment funds aimed at generating uncorrelated returns for limited partners. Earlier in her career she served as Executive Director of the 1911 Office (1992–2007) and as a Director of MARKEM Corporation (1996–2006), where she sat on the Compensation, Audit, and Governance Committees. She holds a BA from Wellesley College and has been a Certified Financial Planner since 1994.

Todd Warden· Investment Team

What they invest in

from 2 of 23 portfolio companies

Biotech ×1Creator Economy ×1Direct to Consumer ×1E-commerce ×1Healthtech ×1SaaS ×1

HQs:United States×3United Kingdom×1

Investments · 23 tracked

founders shown can be your intro path
Alcyone Lifesciences

Early-stage medical device company developing a proprietary microcatheter platform for precise, long-term delivery of therapeutics to the brain, targeting neuroscience and oncology.

Alcyonetxalcyonetx.com
Anuncia

Medical device company developing the ReFlow Ventricular System to improve treatment of hydrocephalus.

Carmell

Developer of patented Plasma-based Bioactive Materials made from human blood plasma to promote healing and reduce infections in clinical settings.

Carmellrxcarmellrx.com
Castlewood Surgical

Medical device company whose Cyclone System enables coronary bypass procedures without aortic clamping (dissolved).

Courtagencourtagen.com
Craycray.com
Draker

Provider of monitoring solutions for commercial and utility-scale photovoltaic solar systems (acquired by BlueNRGY).

Drakerenergydrakerenergy.com
Eggrock

Manufacturer of pre-built, ready-to-install bathrooms for hotel, healthcare, military, and student housing construction (acquired by KHS&S).

FetchDogfetchdog.com

Catalog, e-commerce, and media company serving dog owners (acquired by Potpourri Group).

Medicinal Genomics

Cannabis genomics company developing testing technologies to help growers, dispensaries, and labs ensure safe, quality cannabis.

BiotechBeverly, US

Patrick J. Costello(Executive Officer)Charles M Farkas(Director)Richard M McKernan(Director)Philip J. Chapman(Director)Mark H DeBlois(Director)Brendan L McKernan(Executive Officer, Director)

Medicinalgenomicsmedicinalgenomics.com
Micronotesmicronotes.com

Interactive direct marketing platform delivering customized promotions to online banking customers based on questionnaire responses.

Myvetsfirstchoicemyvetsfirstchoice.com
Oldcastlesurepodsoldcastlesurepods.com
Reflowventcathreflowventcath.com
Senet

Global IoT connectivity provider offering a Network-as-a-Service approach for connecting IoT devices at scale.

Portsmouth, US

Tom Groos(Director)Stephen Rose(Director)Richard Dumler(Director)George Dannecker(Executive Officer, Director)

BoardTodd Warden(Director)

Senetcosenetco.com
Terascala

Provider of scalable storage software and systems for high-throughput big data computing (acquired by Cray).

Avon, US

C.W. Dick(Director)Michael Sullivan(Executive Officer)Stephen Butler(Executive Officer, Director)

Time to Educatesquarespace.comin𝕏

Squarespace provides a platform for building and managing websites, with specialized tools for entrepreneurs, creators, small businesses, and nonprofits.

Creator EconomyDirect to ConsumerE-commerceHealthtechSaaSWashington, GB

Vets First Choice

Provider of technology-enabled healthcare services and prescription management for companion and equine veterinary practices.

Frequently asked questions

What stage does Harbor Light Capital Partners invest at?
Harbor Light Capital Partners invests at the Seed, Series A stages.
What is Harbor Light Capital Partners's typical check size?
Harbor Light Capital Partners typically writes checks of $1M – $5M.
What sectors does Harbor Light Capital Partners focus on?
Harbor Light Capital Partners focuses on Biotech, Cleantech, E-commerce, Enterprise Software, Healthtech, IoT, Medical Devices.
Where is Harbor Light Capital Partners located?
Harbor Light Capital Partners is headquartered in Keene, US.
Does Harbor Light Capital Partners lead rounds?
Yes, Harbor Light Capital Partners leads investment rounds.

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