Mainsail Partners is pleased to announce that Tollie (Bell) Brown (Principal), Anthony Hayes (Principal), and KC (Kanoff) Wulff (Principal) have been named to GrowthCap’s Top 40 under 40 Growth Investors of 2025 list.

Tollie is responsible for sourcing, executing, and supporting Mainsail’s investments in founder-owned SaaS companies. She joined the firm in 2017 and currently serves on the board of FieldFlo, Rentvine, Fullbay, Centerbase, and Teamfront. Tollie was previously a board observer for PlanHub and ResMan, and in 2021 she also served as the Chief of Staff at Centerbase, where the company doubled the team and integrated its first acquisition.

Anthony joined Mainsail in 2018 and is responsible for sourcing and executing new portfolio investments. Anthony currently serves on the board of Steelhead, CourtReserve, Flyntlok, ChiroHD, Skimmer, ServiceCore, ProShop, and Flight Schedule Pro. In 2022, Anthony served as Chief of Staff at ServiceCore. During his time at ServiceCore, Anthony helped the company build and monetize its websites and digital marketing product.

KC is responsible for originating, executing, and supporting investments in software companies. KC currently serves on the board of LIV, JobNimbus, Inspect Point, Instinct Science and Fexa. She was previously a board observer of Extensiv.

According to GrowthCap, the individuals being recognized this year distinguished themselves through their ability to navigate complexity, partner meaningfully with management teams, and drive long-term success across their portfolios.

Read more about honorees here. 

The Top 40 under 40 Growth Investors of 2025 recognition presented herein is awarded by GrowthCap, a third-party that is not affiliated with Mainsail Partners or an investor in Mainsail Partners-sponsored vehicles. The recognition was awarded on 1/7/26 for the period 2025. GrowthCap assessed nominees based on responses to a nomination form and each nominee’s breadth of investing experience, professional achievements, and feedback from colleagues, portfolio company CEOs, and others. The number of nominees reviewed for this recognition was not disclosed to Mainsail, and therefore, it and the percentage of nominees receiving the recognition, cannot be disclosed herein. GrowthCap’s recognition is based on its own evaluation and opinion and is not indicative of Mainsail Partners’ future performance, and does not reflect the experience of, or any rating by, Mainsail Partners’ investors. Mainsail Partners paid a fee to publish and distribute the GrowthCap Top 40 under 40 Growth Investors 2025 results. The receipt of compensation influences, and is likely to present a potential material conflict of interest, relating to the rating. There can be no assurance that other providers or surveys would reach the same conclusions as the foregoing. For more information regarding this recognition, please see the linked publication.