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Cathy Polinsky is a Partner at Operator Collective based in the San Francisco Bay Area. She brings over two decades of engineering leadership experience, having previously served as Chief Technology Officer at DataGrail from 2022 to 2025 following its $45 million Series C funding round. Before that, she was Vice President of Engineering at Shopify and Chief Technology Officer at Stitch Fix, where she guided the company's engineering organization through its 2017 initial public offering. Her earlier career includes a seven-year tenure as Senior Vice President of Engineering at Salesforce, alongside software development roles at Amazon, Yahoo, and Oracle, after earning a computer science degree from Swarthmore College. Polinsky also serves as an independent board director for enterprise software company BlackLine. Her current focus centers on leveraging her operational background to invest in early-stage enterprise technology startups.
Cathy Polinsky stands as a distinguished Partner at Operator Collective, a unique venture capital firm that brings together a powerful network of leading operators to invest in and support the next generation of transformative companies. In her role, Cathy is instrumental in sourcing, evaluating, and nurturing early-stage and growth-stage technology companies, contributing significantly to Operator Collective's mission of backing diverse founders and fostering innovation across critical sectors.
Operator Collective’s investment thesis centers on B2B software, fintech, and healthcare technology, areas where Cathy Polinsky's profound operational and technical expertise proves invaluable. She actively seeks out companies that are leveraging cutting-edge technology to solve complex business problems, streamline financial services, or revolutionize healthcare delivery. Her keen eye for product market fit and scalable business models helps identify startups with high potential for disruption and long-term success. Cathy is particularly passionate about supporting founders who are building robust enterprise solutions and leveraging data-driven insights.
Before joining Operator Collective, Cathy Polinsky built an impressive career as a technology executive, accumulating a wealth of experience in leading product, engineering, and data science teams at some of the world's most influential tech companies. Most notably, she served as the Chief Technology Officer (CTO) at Stitch Fix, where she was responsible for the company's entire technology organization, driving innovation in personalization and logistics through data science and engineering. Prior to Stitch Fix, Cathy held significant leadership positions at Salesforce as a Vice President of Engineering, contributing to the development and scaling of enterprise cloud solutions. Her foundational experience also includes a tenure as a Director of Engineering at Amazon, where she honed her skills in building and managing large-scale, high-performance systems.
This extensive background provides Cathy Polinsky with a unique perspective as an investor. She understands the intricacies of building and scaling technology products, managing complex engineering teams, and navigating the challenges of rapid growth. This operational insight allows her to offer more than just capital; she provides strategic guidance, mentorship, and a deep understanding of product development and organizational scaling to Operator Collective's portfolio companies. While specific individual investments are often attributed to the fund, Cathy's contributions are integral to the success of companies within Operator Collective's diverse portfolio, which includes leaders in areas like HR tech, fintech infrastructure, and AI-powered platforms. Her commitment to empowering founders with both capital and critical operational expertise makes her a pivotal figure in the venture capital landscape.
Cathy Polinsky continues to be a driving force in identifying and championing the next wave of technology leaders, leveraging her unparalleled experience to shape the future of enterprise software, fintech, and healthcare innovation.
Cathy Polinsky is a Partner at Operator Collective, a venture capital firm. She is a seasoned technology executive with a background as CTO at Stitch Fix and leadership roles at Salesforce and Amazon, now investing in B2B software, fintech, and healthcare.
Cathy Polinsky invests in B2B software, fintech, and healthcare technology companies through Operator Collective. She focuses on innovative startups with strong product-market fit and scalable business models, often led by diverse founders.
Cathy Polinsky works as a Partner at Operator Collective, a venture capital firm based in San Francisco, California.