Karl Pfleger started with a successful career in tech. He received his PhD from Stanford in Computer Science focused on AI & machine learning, especially on deepening neural networks. During his PhD he helped grow mySimon, the then-biggest comparison shopping website, to successful acquisition, including building its universal search. After his PhD he helped grow Google for a decade, working on practical big-data problems, especially machine learning systems for shopping & internet ads, including the first AI/ML system to affect search result ordering on any Google property.

Now he works exclusively in the field of aging biology & biotechnology.

Karl founded & is the driving force behind AgingBiotech.info, a free, open, nonprofit resource that serves as the internet's most thorough, organized & structured repository of everything important in the field of aging biotechnology, meaning specifically that the focus is on the step between the academic science & clinical practice, on the companies & wider communities translating the academic aging science into new aging therapeutics & diagnostics accessible to millions of patients & their clinicians.

He is also one of if not the most prolific early-stage investor in the aging sector with 50 deals completed in over 30 companies. (Portfolio disclosed on LinkedIn.) A dedicated philanthropist for the field for over a decade, Karl also regularly supports several important nonprofits in the area, including the Buck and A4LI.