Boston, Massachusetts, United States, July 2025 – Jen Katzburg has been promoted to Vice President, Talent & Culture at Spear Bio, where she now oversees company-wide talent acquisition and cultural development initiatives. As a key member of the CEO’s Executive Leadership team, Jen plays a pivotal role in shaping organizational strategy, building scalable frameworks, and driving cultural alignment in support of Spear Bio’s continued growth as a pioneering biotech start-up.
Jen joined Spear Bio as Head of Talent Acquisition, where she established the talent function from scratch for the rapidly expanding Series A company. In under a year, she developed end-to-end recruiting processes, created a market-driven compensation strategy, and defined a robust title and career framework that has positioned the company for scalable, sustainable growth.
Before Spear Bio, Jen was Principal Recruiter at BillionToOne, a high-growth genetic testing start-up. She played a critical role in the company’s commercialization efforts, scaling the commercial team by over 200% and designing competency-based interview processes to ensure alignment between hiring and business goals.
Prior to that, she served as Director of Recruiting at Gravity Sourcing Inc, where she partnered with elite firms in hedge funds, private equity, AI/ML, and life sciences to fill C-suite and complex global positions. She brought the same rigor and strategic focus to each client engagement, earning a reputation for her precision and high success rate in senior-level placements.
Earlier, Jen was Director, Talent Acquisition – 4Catalyzer at Butterfly Network, Inc., where she helped build the HR function from the ground up, leading full-cycle recruitment globally and overseeing performance evaluation and compensation processes across the portfolio of life sciences and medical device start-ups.
Jen’s earlier career includes senior recruiting roles at Core Staffing, where she was consistently the top biller, and an early HR leadership stint as Vice President, HR Business Partner at JPMorgan Chase, supporting the Private Equity division in recruitment, performance management, and organizational development.
About Spear Bio
Founded in 2021, Spear Bio is a cutting-edge biotech company based in Woburn, Massachusetts, with proprietary technology—SPEAR (Successive Proximity Extension Amplification Reaction)—designed to detect protein biomarkers at attomolar sensitivity from sub-microliter volumes. With the goal of transforming early disease detection and clinical monitoring, Spear Bio is revolutionizing how global healthcare systems approach diagnosis and patient care through technology innovation and scientific excellence.
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