Geoffrey Williams
(Managing Partner)

Geoff is the founder and managing partner of Aspen Street. He has five decades of experience in capital markets and investments. 

Prior to Aspen Street, he assumed leadership positions at several private equity power houses with more than $40 billion in AUM. Geoff began his career on the derivatives desk of First Boston.   

Geoff serves as an independent director and adviser to a number of companies ranging from large to small, public and private. In addition to his background in finance, he has extensive experience in corporate governance, marketing and corporate strategy in various industries that are or are transitioning to becoming more dependent on technology. 

Thomas Williams
(Partner)

Thomas is a serial entrepreneur with an avid interest in technological innovations. 

Following in his father's footsteps he started his career at the global private equity firm KKR & Co LP where he worked on technology LBOs and restructurings. 

Before dedicating his career to entrepreneurial endeavors, he spent many years on the mortgage desk of Salomon Smith Barney. 

A humanitarian at heart, Thomas serves on the boards of numerous foundations and not-for-profit organizations with an emphasis on developing social entrepreneurship in South America. 

William Bush
(Partner)

Prior to co-founding Aspen Street, William worked at Paddington Asset Management as a managing director and director of research in their distressed assets and convertible securities divisions. 

William, a trained mathematician, is our quantitative guru. He is well-known for his work on blockchain technology and elliptical curve cryptography.