Where does Kyle Lefkoff work?

Kyle Lefkoff is General Partner at Boulder Ventures and Board director at Ambrosia Biosciences Inc. and Board director at Black Bear Energy and Board director at CommercialTribe.

What check size does Kyle Lefkoff write?

Kyle Lefkoff typically writes checks of $1M – $5M.

What boards does Kyle Lefkoff sit on?

Kyle Lefkoff holds tracked board seats at ArcherDX, Array BioPharma, Bioptix Diagnostics, Black Bear Energy, CommercialTribe, miRagen Therapeutics, miRagen Therapeutics.

What companies has Kyle Lefkoff invested in?

Investments tracked here include Ambrosia Biosciences, ArcherDX, Atlantes Corp., Black Bear Energy, Compatible Systems Corp., Dharmacon, Genomica, Hauser Chemical Research, Lefthand Networks, Linerate, Linerate Systems, McData, and 5 more.

Where did Kyle Lefkoff go to school?

Kyle Lefkoff studied at The University of Chicago Booth School of Business (Master of Business Administration (MBA), Finance); Vassar College (Bachelor of Arts (B.A.), Economics).

Kyle Lefkoff

Investor

General Partner at Boulder Ventures · Board director at Ambrosia Biosciences Inc. · Board director at Black Bear Energy · Board director at CommercialTribe

Colorado

Writes $1M – $5M checks

About

Kyle Lefkoff applies nearly four decades of mountain-guide risk management to investing, co-founding and chairing Array BioPharma through FDA approval and its $11.8B Pfizer exit while prioritizing durable realized returns.

Contact· self-published, not guessed

k•••@boulderventures.comreveal

Invests in

BiotechCloud ComputingData & InfrastructureEnergyEnterprise SoftwareMedical DevicesSaaS

Board director at Ambrosia Biosciences Inc.

Intro paths

→

In turn, Kyle can intro founders to Ambrosia Biosciences Inc.'s investors below.

Ambrosia Biosciences Inc.'s investors · 2

Biotechnology Value FundSan Francisco · since 2024 Boulder VenturesBoulder · $1M – $4M checks · since 2024

Board director at Black Bear Energy

Intro paths

→

In turn, Kyle can intro founders to Black Bear Energy's investors below.

Black Bear Energy's investors · 1

Boulder VenturesBoulder · $1M – $4M checks · since 2016

Co-founders at Black Bear Energy

Andrew TorbinExecutive Officer, Director

Board director at CommercialTribe

Intro paths

→

In turn, Kyle can intro founders to CommercialTribe's investors below.

CommercialTribe's investors · 6

Access Venture PartnersWestminster · $500K – $4M checks Access VenturesLouisville · $500K – $3M checks Boulder VenturesBoulder · $1M – $4M checks · since 2014 Crawley VenturesDenver FirstMile VenturesDenver · $300K – $800K checks Grotech VenturesOwings Mills · $500K – $5M checks · since 2014

Co-founders at CommercialTribe

Paul J. IronsideExecutive Officer, Director

Experience

Boulder VenturesGeneral Partnercurrent1995 — presentBoulder, Colorado
Ambrosia Biosciences Inc.Chairman of the Board and Foundercurrent2024 — presentBoulder, Colorado, United States
Black Bear Energy Inc.Board Member and Lead Venture Capital Investor2016 — 2024Boulder, Colorado
AIARE- American Institute for Avalanche Research and EducationFounding Chairman of the Board2013 — 2023Boulder, Colorado
InvitaeBoard Member and Lead Venture Capital Investor2018 — 2023Boulder, Colorado, United States
Array BioPharmaChairman of the Board and Founder1998 — 2018Boulder, Colorado
miRagen Therapeutics, Inc.Board Member and Founder2007 — 2017Boulder, Colorado
Trust Company of AmericaMember of the Board of Directors1999 — 2014Centennial, Colorado
American Mountain Guides AssociationLifetime Member, Board Member and Treasurer2001 — 2010Boulder, Colorado
Colorado Venture ManagementGeneral Partner1986 — 1995Boulder, Colorado

Skills & more

Venture Capital29Entrepreneurship21Board Development7Start-up Ventures7Leadership Development5Financial Analysis8Due Diligence11Funding1Angel Investing2Private Equity2Start-ups20Executive Management5

+8 more

Corporate DevelopmentEquitiesFinanceInvestmentsMutual FundsIPOBusiness DevelopmentStrategic Planning

From Kyle's professional profile.

Deals · 5

ArcherDXBoard seat

via Boulder Ventures · filed Apr 2020 · $1.6M raise

miRagen TherapeuticsBoard seat

via Boulder Ventures · filed Feb 2017 · $40.7M raise

Black Bear EnergyBoard seat

via Boulder Ventures · filed Aug 2016 · $2.5M raise

Bioptix DiagnosticsBoard seat

via Boulder Ventures · filed Feb 2015 · $2.3M raise

CommercialTribeBoard seat

via Boulder Ventures · filed Feb 2015 · $4M raise

Attribution from SEC filings, press coverage, and firm rosters.

Other disclosed investments

Board seats

Array BioPharma

Investor

Ambrosia BiosciencesAtlantes Corp.Compatible Systems Corp.DharmaconGenomicaHauser Chemical ResearchLefthand NetworksLinerateLinerate SystemsMcDataMineralysNeXstar PharmaceuticalsWall Street on DemandWSOD

Sources: SEC Form D filings · the firm's website.

Colleagues at Boulder Ventures

Jonathan Perl

General Partner at Boulder Ventures

Josh Labkoff

Associate at Boston Millennia Partners

Kishen Mangat

General Partner at Boulder Ventures

Matthew Paul

CFO at Boulder Ventures

Peter Roshko

General Partner at Boulder Ventures

Revelstoke the Berner

Floor Manager at Boulder Ventures

Frequently asked questions

Who is Kyle Lefkoff?: Kyle Lefkoff applies nearly four decades of mountain-guide risk management to investing, co-founding and chairing Array BioPharma through FDA approval and its $11.8B Pfizer exit while prioritizing durable realized returns.
Where does Kyle Lefkoff work?: Kyle Lefkoff is General Partner at Boulder Ventures and Board director at Ambrosia Biosciences Inc. and Board director at Black Bear Energy and Board director at CommercialTribe.
What does Kyle Lefkoff invest in?: Kyle Lefkoff invests in Biotech, Cloud Computing, Data & Infrastructure, Energy, Enterprise Software, Medical Devices, SaaS.
What check size does Kyle Lefkoff write?: Kyle Lefkoff typically writes checks of $1M – $5M.
What boards does Kyle Lefkoff sit on?: Kyle Lefkoff holds tracked board seats at ArcherDX, Array BioPharma, Bioptix Diagnostics, Black Bear Energy, CommercialTribe, miRagen Therapeutics, miRagen Therapeutics.
What companies has Kyle Lefkoff invested in?: Investments tracked here include Ambrosia Biosciences, ArcherDX, Atlantes Corp., Black Bear Energy, Compatible Systems Corp., Dharmacon, Genomica, Hauser Chemical Research, Lefthand Networks, Linerate, Linerate Systems, McData, and 5 more.
Where did Kyle Lefkoff go to school?: Kyle Lefkoff studied at The University of Chicago Booth School of Business (Master of Business Administration (MBA), Finance); Vassar College (Bachelor of Arts (B.A.), Economics).