Biotech
Science with the potential to change human health. New approaches to unmet medical needs.
Life sciences / TherapeuticsWe pursue distinctive opportunities across Biotech, TMT, FinTech, Infrastructure, and Consumer Products.
Explore our focusIndependent
Five core investment sectors
Conviction & connection
Deal-specific SPVs
From advances in human health to the systems that connect our world, we focus on sectors shaping how people live, work, and build.
Science with the potential to change human health. New approaches to unmet medical needs.
Life sciences / TherapeuticsTechnology, media, and telecommunications. The platforms changing how we create and connect.
Technology / Media / TelecomBetter ways to move, access, and manage capital. Financial services built for a changing economy.
Financial technologyThe essential systems behind everyday life. Physical and digital foundations for future growth.
Physical / Digital infrastructureEveryday brands and essentials. Skincare, fragrances, nutraceuticals, clothing and accessories, and household products.
Beauty / Wellness / Lifestyle / Home
Nashville, Tennessee.

Bringing an operator’s perspective to private capital.
Caleb leads Colibri Capital from Nashville. His background spans technology, product marketing, and connecting private capital with operating companies.
Before co-founding UPK Partners, Caleb worked in global growth product marketing at YouTube. He earned his bachelor’s degree at the Wharton School of the University of Pennsylvania.
At Colibri, his focus brings together an interest in mental health and a broader perspective across technology, financial innovation, infrastructure, and consumer products.
Connect with Caleb on LinkedIn, opens in a new tabCAD Therapeutics, Inc. is a proposed investment for our first special purpose vehicle.

Proposed investment — not closedThe proposed investment in CAD Therapeutics, Inc. has not closed and is not a completed portfolio holding. There is no assurance that the investment will be completed.
CAD Therapeutics is an FDA Phase III trial candidate developing an investigational approach to post-traumatic stress disorder (PTSD) and VMS (Hot Flashes).
Its product candidate is investigational and is not FDA-approved. Safety and efficacy have not been established.
Visit company website opens in a new tabFor general inquiries and introductions, connect with Caleb.
Let’s connect by emailcaleb@colibricapitalgp.com
Caleb Upkins
Managing Partner
Nashville, Tennessee