One Rock Capital Partners LLC, a private equity firm, has added Shannon Crespin to its team of operating partners.

Crespin will be involved with evaluating prospective investments and building capability of One Rock’s portfolio companies in the disciplines of integrated supply chain, working capital management and planning. She previously served as chief operations officer of Tonal, where she led end-to-end operations, research and development and program management for a fast-growing fitness equipment and technology business. Prior to Tonal, Crespin served as the vice president global orthopedics supply chain for Depuy Synthes, the orthopedics company of Johnson & Johnson.