Austin, Texas – June 30, 2025 – Mainsail Partners, a growth equity firm that invests in bootstrapped B2B software companies to help them grow into market leaders, today announced three internal promotions.
Erin Sedloff was promoted to Chief Legal Officer. She provides support to Mainsail professionals on a wide range of legal matters relating to firm and portfolio company operations. Erin is also currently a board observer at Mainsail portfolio company, Centerbase.
Prior to joining Mainsail in 2021, Erin was an attorney at Orrick, Herrington & Sutcliffe LLP, where she practiced in the Technology Companies Group helping startups and high growth technology companies successfully raise capital and build their business from formation through exit.
Heather Booms has been promoted to Principal, Finance. Heather joined Mainsail Partners in 2015 and is responsible for managing and performing duties for the accounting and financial reporting of Mainsail’s investment funds and management company. Prior to joining Mainsail, Heather was an Assurance Manager at BDO USA, LLP.
Collin Riccitelli was promoted to Senior Associate on Mainsail’s Investment Team, where he is responsible for sourcing, executing, and supporting new investments. Prior to joining Mainsail in 2023, Collin was an Investment Analyst at Accord Asset Partners.
“At Mainsail, we believe that people and culture are foundational to the success of any business,” said Gavin Turner, Managing Partner. “The promotions of Erin, Heather and Collin reflect their meaningful contributions to our firm and to the portfolio companies we support. We’re excited to see how their growth continues to strengthen our collective ability to innovate and scale together.”
About Mainsail Partners
Mainsail Partners is a growth equity firm that invests in bootstrapped B2B software companies to help them grow into market leaders. Our team is purpose-built to include experienced investors and software operators who help founders build great teams, develop industry-leading products, design data-driven and scalable infrastructure, harness the power of AI to drive productivity and innovation, and grow market share. Mainsail’s hands-on support and best practices are delivered through a collaborative approach that respects founder-led cultures and helps build on each company’s commitment to its people and customers. With offices in Austin and San Francisco, Mainsail Partners has raised nearly $4 billion in committed capital and partnered with 100+ companies over the last 22+ years. For more information, visit www.mainsailpartners.com.