
Larry Brownstein
Co-Founder | Operating PartneR | Board Advisor
Larry Brownstein serves as Co-Founder and Operating Partner at Portfolio Partners Group, bringing more than 25 years of experience building businesses, accelerating growth, and translating strategic objectives into operating results. His career spans healthcare, pharmaceutical services, technology, and emerging consumer businesses, including leadership roles as Chief Operating Officer, Chief Financial Officer, and Chief Business Officer at CRI Lifetree, followed by COO roles at Hassman Research Institute and CenExel. During his 14 years at CRI Lifetree, Larry helped build the operating infrastructure, commercial relationships, and organizational capabilities that supported expansion and the company’s eventual acquisition by KKR-backed PRA International. His background combines direct P&L accountability with capital raising, corporate development, and hands-on business leadership.
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At PPG, Larry focuses on sustainable EBITDA expansion by aligning operating capabilities, commercial execution, and management accountability with sponsor investment theses and exit objectives. Working alongside current management, he helps validate investment assumptions, develop practical value creation plans, and establish scalable business systems and performance measures. At CRI Lifetree, his responsibilities included leading a national sales and business development team with a contract pipeline exceeding $100 million and completing three acquisitions that added more than $10 million in revenue and approximately $2 million in EBITDA. His experience building teams, negotiating strategic alliances, and securing private equity participation provides a practical foundation for helping portfolio companies scale profitably.
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Larry also brings an investor’s perspective through his early investment in Vuori Clothing and advisory, mentoring, and investment roles with businesses including Dreamit Ventures, AiCure, Grovara, ERPHealth, and Wellesley Information Services. These engagements broaden his perspective across digital health, enterprise technology, global commerce, and consumer brands. By combining operational depth with experience committing his own capital, Larry helps investors and leadership teams connect strategic ambition with disciplined execution. His approach centers on strengthening management, building durable partnerships, and converting growth opportunities into measurable revenue, margin, and enterprise value outcomes.