Lab Members


A Tchourb

Alexander Tchourbanov, PhD

Postdoctoral Research Associate


Alexander's research is focused on understanding causes of human hereditary disorders and promoting preventive measures to lower incidence of such conditions in the future. Having expertise in computational biology and bionformatics helps him to achieve these goals.

Heidi Steiner, B.S.

Research and Laboratory Assistant


Heidi aquired a Bachelor of Science in Biology from the University of Wisconsin before relocating to Tucson, AZ. Heidi has been in charge of the day to day operations of Karnes Lab since February 2016.  She is looking forward to becoming a Master's student here at The University of Arizona.

Justin Kaye, B.A.

Master's Intern


Justin is a University of Arizona Professional Science Master’s (PSM) student studying Applied Biosciences with a Diagnostic Laboratory Sciences track emphasis. Justin’s long term goals are to practice as a physician scientist and contribute to facilitating personalized medicine within American Indian populations.


Brent Undergrad

Karnes' Lab Hosted an Undergraduate Research Opportunities Consortium (UROC) student during Summer '17. 

Brent Carrillo (middle) worked on a Pulmonary Arterial Hypertension bioinformatics project while visiting the University of Arizona.