Grain Management LLC, a private investment firm focused on global communications, has appointed Tom Walker as managing director and chief financial officer.

Walker joins the firm with an extensive career in alternatives. He most recently served as CFO of Spruce House Investment Management hedge fund and as partner and CFO with Riverstone Holdings. Additionally, Walker brings experience from his time at Carlyle Group, Hampshire Equity Partners and Ripplewood Holdings to Grain Management.

“I am looking forward to stepping into this role, building upon the Firm’s financial and operational expertise and continuing to enhance the Firm’s value and brand,” said Walker. “Joining Grain presents a tremendous opportunity to work alongside a first-class team in such a critical industry. Now is an exciting time to be working together to accelerate the mission, increasing the impact Grain has on technology, businesses, and communities worldwide.”

“Tom is a welcome addition to an already exceptional group, bringing acumen and decades of experience to our Operations team,” said David Grain, founder and CEO of Grain Management. “Working together with Tom as we continue to increase our scale will open doors for achieving even more value in our global investment portfolio.”