Spectrum Equity

Spectrum Equity is a growth equity firm that provides capital and strategic support to companies in the internet, software, and information services sectors. Founded in 1994 by Brion B. Applegate and William P. Collatos, the firm pursues growth investments in businesses with scalable, data-driven models and defensible market positions. It operates with offices in Boston and San Francisco, focusing on companies that leverage software, online platforms, and data services to drive expansion, enhance product offerings, and scale operations.

Brion B. Applegate

Co-Founder

Emily Calkins

Vice President

Emily Calkins

Vice President

Stewart Campbell

Associate

Julia Kuo Chen

Principal

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