2025-26 newly promoted faculty; milestone anniversaries

By Shayne Martin, Email | Show Me Mizzou
Photos by Andy Ramirez

The University of Missouri recently celebrated faculty members who earned promotion, tenure or both during the 2025-26 academic year. The Offices of the President and Provost also recognized faculty members marking milestone anniversaries at Mizzou.

Congratulations to the following individuals from the Mizzou School of Medicine and we thank them for their commitment and service to the medical school.

Promotions

• Gregory Biedermann, associate professor; radiation oncology
• Meelie Bordoloi, associate professor; psychiatry
• Albert Chan, professor; cardiology
• Geetha Davis, professor; ophthalmology
• Thiago Desouza, associate professor; emergency medicine
• Korshie Dumor, associate professor; critical care
• Ila Durkin, associate professor; psychiatry
• Kimberly Eisenstein, associate professor; dermatology
• Nkanyezi Ferguson, professor; dermatology
• Brady Fleshman, associate professor; family and community medicine
• Seth Freeman, associate professor; family and community medicine
• Sandeep Gautam, professor; cardiology
• Megan Elizabeth Gauthier, associate professor; anesthesiology
• Francisco Gomez, associate professor; neurology
• Xiao Heng, professor; biochemistry
• Zachary Holliday, associate professor; critical care
• Mark Hunter, professor; obstetrics, gynecology and women’s Health
• Arun Kumar, professor; cardiology
• Margaret Lange-Osborn, associate professor; molecular microbiology and immunology
• Lei Lei, associate professor; obstetrics, gynecology and women’s Health
• Chrissa McClellan, professor; physical medicine and rehabilitation
• Kenneth Miller, associate professional practice professor; orthopaedic surgery
• Kathryn Mohr, associate professor; pediatrics
• Joanna Mussey, associate professional practice professor; psychiatry
• Premkumar Nattanmai Chandrasekaran, professor; neurology
• Julia Nuelle, associate professor; orthopaedic surgery
• Lauren Pringle, associate professor; radiology
• Mohammed Azfar Siddiqui, associate professor; radiology
• Joshua Stilley, professor; emergency medicine
• Zhe Sun, associate research professor; pharmacology and physiology
• Emma Teixeiro-Pernas, professor; molecular microbiology and immunology
• George Ubinas, associate professor; emergency medicine
• Cherian Verghese, professor; hematology and oncology
• Daniel Walker, associate professor; pathology and anatomical sciences
• Carissa White, associate professor; radiology
   

Years of Service honorees

Years of Service honorees

Years of Service honorees

Years of Service

40 years

• Robert Fisher, anesthesiology
• Stephen Halenda, medical pharmacology & physiology

30 years

• Dean Hainsworth, ophthalmology
• James Koller, general internal medicine
• Madhukar Misra, nephrology

20 years

• Ajay Aggarwal, orthopaedic surgery
• Kristina Aldridge, pathology & anatomical sciences
• Theodore Choma, orthopaedic surgery
• Jonathan Collins, critical care
• Nikole Cronk, family & community medicine
• William Durante, medical pharmacology & physiology
• Jane Emerson, physical medicine & rehabilitation
• Michael Gardner, endocrinology
• Michael Hill, medical pharmacology & physiology
• Theodore Kalogeris, medical pharmacology & physiology
• Van Nguyen, pathology & anatomical sciences•    
• Yuji Oba, critical care
• Luis Polo-Parada, medical pharmacology & physiology
• Lisa Royse, orthopaedic surgery
• Steven Segal, medical pharmacology & physiology
• Mahesh Thakkar, neurology

This story originally appeared on Show Me Mizzou on Thursday, October 15, 2026.