The Team

Executive Team

Our team consists of industry veterans, scientists and laboratorians with expertise in assay development, manufacturing and commercialization.

Our headquarters are in Denver, Colorado and our CLIA-certified lab is at the University of Colorado Anschutz campus.

Gregory T. Everson, MD

Founder & Chief Executive Officer


Steve Helmke, PhD

Chief Scientific Officer


Kelly R. Pitts, PhD

Chief Operating Officer


Shailesh Chavan, MD

Chief Medical Officer


Paige Nardi, MBA

Vice President, Market Access


Bradley Everson

Chief Business Development Officer


HepQuant Business Advisory Board


Byron Hewett

LightDeck, SomaLogic, Abbott, Qiagen

David Brunel

SomaLogic, Biodesix, KromaTid

Bobbi Coffin

Biodesix, Hologic, Exact Sciences

Charlie Henry



Ralph “Chris” Christofferson

Morganthaler, Colorado State University

Chris Jensen

JPMorgan Chase

Bob Possehl

Republic Financial


Robert G. Gish, MD

Hepatologist, UC San Diego, Loma Linda

Lloyd Everson, MD

US Oncology

James Trotter, MD

Hepatology, Baylor

HepQuant Scientific/Medical Advisory Board

Michael Charlton, MBBS

University of Chicago

Robert Brown, Jr. MD MPH

NY Presbyterian, Columbia, & Weill Cornell

Russell Wiesner, MD

Mayo Clinic

John Lake, MD

University of Minnesota

Ohad Etzion, MD

Soroka University

Chris Pappas, JD, MD, FCLM

Baylor College of Medicine

John Vierling, MD

Baylor College of Medicine

Joanne Imperial, MD

LabCorp / Covance

Paul Kwo, MD


Douglas LaBrecque, MD

University of Iowa

Mitchell Shiffman, MD

Virginia – Bon Secours