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Investor profile

Kyle Lefkoff

General Partner, Boulder Ventures

About

Kyle Lefkoff is a venture capital investor at Boulder Ventures who has spent nearly four decades treating serious alpinism and venture investing as parallel crafts, applying the same risk management and decision-making skills he uses as a mountain guide to helping founders navigate high-consequence business environments. He co-founded and chaired Array BioPharma from 1998 through its FDA approval and eventual $11.8 billion acquisition by Pfizer, while maintaining a philosophy of pointing credit toward others and focusing on durability and realized returns rather than quick wins or paper marks. Kyle Lefkoff is a venture capital investor at Boulder Ventures who has spent nearly four decades treating serious alpinism and venture investing as parallel crafts, applying the same risk management and decision-making skills he uses as a mountain guide to helping founders navigate high-consequence business environments. He co-founded and chaired Array BioPharma from 1998 through its FDA approval and eventual $11.8 billion acquisition by Pfizer, while maintaining a philosophy of pointing credit toward others and focusing on durability and realized returns rather than quick wins or paper marks.

Works at

Investment focus

Stages
Series A
Series B+
Sectors
BioTech
SaaS
Enterprise
MedTech
Data

Investment details

Avg check size$1M - $5M
Can lead rounds
Yes
Geographies
USA