David R. Gammon founded The Library House Ltd. and Rockspring Nominees Ltd. Presently, Mr. Gammon is Non-Executive Chairman for Frontier Developments Plc, Director at Rockspring Nominees Ltd. and Advisor at IQ Capital Partners LLP. Mr. Gammon is also on the board of Rockspring Advisory Services Ltd. and Raspberry PI (Trading) Ltd. and Member of Scaleup Institute.

In the past Mr. Gammon was Advisor at Hawkwood Capital LLP, Chief Financial Officer of Envisional Solutions Ltd. and Director at The Library House Ltd.