We buy strong family businesses, and build great companies for the long term.
Holden River LLC partners with founders and families in life-sciences manufacturing, distribution, and services to preserve what they have built and steward it for the next generation. Operator-led. Patient. Unhurried by fund timelines.
Operator-led acquisitions and selective executive consulting in life sciences.
Holden River is an acquisition platform and executive consultancy focused on the life-sciences industry — instruments, consumables, diagnostics, and the specialty manufacturing, distribution, and services that support them. We acquire stable, durable businesses where the founder or family is ready for a thoughtful transition, and we operate them for the long term.
Outside of active acquisitions, we work directly with executive teams in the industry on commercial strategy, M&A diligence, post-close integration, and operating-model transformation. Recent engagements include advising on commercial and regulatory strategy for an East Coast life science tech firm; advising on a sale at a 7.2× multiple; and guiding a life-sciences manufacturer to 23% month-over-month sales growth on a new sensor product.
The same lens applies in both modes: build great companies by paying attention to the things great operators care about — people, quality, and customers.
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01
Long-term hold
No fund clock, no flip. We acquire to operate — not exit. Our timeline is the company's timeline.
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02
Operator-led
A full-time President on the floor, in the lab, and with the customer — not a deal team flying in for board meetings.
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03
Stewardship of legacy
We preserve the name, the people, and the place. Family transitions are handled with the dignity the founders earned.
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04
Patient, aligned capital
Equity from operators and a small group of aligned investors who understand industrial timelines. Conservative leverage. No financing contingency.
A specific business profile, treated with care.
We focus on a narrow, well-defined slice of the lower middle market in life sciences. If your business looks like the picture below, we would welcome a conversation — in confidence, without obligation.
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Business profile
The company
- Privately heldFounder- or family-owned
- $0.5M–$5M EBITDAStable, with track record
- $5M–$25M enterprise valueLower middle market
- Durable customer baseRecurring or repeat revenue
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Industry focus
The sector
- Life-sciences manufacturingOEM, contract, specialty
- Distribution & servicesTo labs, hospitals, pharma
- Instruments & consumablesBenchtop, diagnostics, and adjacent
- U.S.-based operationsEast Coast focus
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Seller profile
The transition
- Retirement or successionFounder/operator stepping back
- Cares about legacyPeople, customers, continued success
- Less interested in PEWants a real operator at the helm
- Open to flexible structureRollover, earn-outs, seller financing
Robert C. Miller
Managing Director, Holden River LLC
Robert is an operator-investor based in West Chester, Pennsylvania. He founded Holden River in 2024 to acquire and operate strong family businesses in life sciences, and to advise the executive teams who lead them. He brings over 15 years of executive and operational experience in life sciences.
Robert spent a decade at Drummond Scientific, a Pennsylvania-based life-sciences OEM and contract manufacturer, rising from Operations Manager to President. As President, he led a $50M P&L and 135 employees across multiple sites, delivered 10.7% revenue and 21.5% EBITDA CAGRs by executing a comprehensive organic and acquisitive growth strategy. He went on to co-found Nexus Medical Labs, a CLIA clinical laboratory, raising $5M of venture capital and growing revenues to $10M before exit. He then served as President of the Northeast Region for Vertex Service Partners, a private-equity-backed roll-up, where he led 10 CEOs and 300 employees and grew the Northeast region from $65M to $205M in revenue within a year.
He is a graduate of The Wharton School, WG'16 (MBA) and the United States Naval Academy, Class of 2007 (BS, Engineering), and served as both enlisted and officer in the United States Marine Corps.
- Life-sciences M&A
- Operator-led acquisitions
- Manufacturing & OEM
- Post-close integration
- Commercial strategy
Education & Service
Naval Academy BS, Engineering
Marine Corps Enlisted-to-Officer
Semper Fidelis
Tell us about your business — or how we can help.
Whether you are exploring a sale, considering a succession plan, or looking for an experienced operator to advise your team, we would welcome the conversation. Every inquiry is read by Robert directly — in confidence.
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rob@holdenriverllc.com Direct to Robert
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+1 704 604 4518 Mobile · text welcome
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West Chester, PA Greater Philadelphia · coverage across the U.S.
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linkedin.com/in/robert-miller-president Connect on LinkedIn
Intake
Tell us a little about you. We respond within two business days.