Our People

Our fellowship-trained faculty members perform complex and unique procedures and have wide-ranging collaborations with clinicians and scientists in various medical specialties within the university as well as across the country. Faculty specializations include urologic oncology, pediatric urology, andrology and infertility, urolithiasis and endourology, reconstructive urology, female pelvic medicine and reconstructive surgery, and robotic and laparoscopic surgery. Read more about our faculty.

Our residents receive comprehensive and innovative urology training at Iowa's only academic medical center. Residents appreciate the high volume of cases spanning the full range of urologic subspecialties, multiple rotation sites, enthusiastic and approachable faculty, and living in the Iowa City area. Read more about our current residents and recent alumni.

Our fellows in Endourology and Laparoscopy and in Genitourinary Reconstruction are educational resources to the residents and assist them in clinic and during surgery. Fellowships are tailored to an individual's interests, whether clinical or research, and are available for one or two years. Read more about our fellowship program.

Our patients receive comprehensive evaluation and treatment in the clinic setting as well as surgical interventions for all urologic and male reproductive system diseases and disorders. University of Iowa Hospitals & Clinics is Iowa's only academic medical center, and we have the only board-certified pediatric urologists in the state. Read more about our patient care.

Current Residents


Jeffrey Spencer Edman, portrait

Jeffrey Spencer Edman, MD (Uro 5)
University of South Dakota, Sanford School of Medicine, Sioux Falls, S.D.

Hometown: Sioux Falls, S.D.
Undergraduate (Major): University of Notre Dame (Preprofessional studies, Energy studies minor)
Medical School: University of South Dakota, Sanford School of Medicine
Hobbies/Interests: Liverpool Football Club, lake activities (swimming, skiing, wake surfing), Golfing
Why the University of Iowa: Variety, high case load, great group of residents and staff
Why Iowa City: Has a lot of the amenities a larger city has with the charm of a small town

Alexander Martin, portrait

Alexander Martin, MD (Uro 5)
University of Texas, McGovern Medical School, Houston

Hometown: Houston
Undergraduate (Major): Brigham Young University (Physiology and Developmental Biology)
Medical School: University of Texas-Houston, McGovern Medical School
Hobbies/Interests: Fly fishing, kayaking, hiking, dogs
Why the University of Iowa: Diverse faculty; best resident colleagues ever; night float; excellent fellowship placement
Why Iowa City: A lot to do but small-town feel; no traffic

Brenton Sherwood, portrait

Brenton Sherwood, MD (Uro 5)
University of Iowa, Roy J. and Lucille A. Carver College of Medicine, Iowa City, Iowa

Hometown: Marion, Iowa
Undergraduate (Major): University of Iowa (Human Physiology)
Medical School: University of Iowa, Roy J. and Lucille A. Carver College of Medicine
Hobbies/Interests: Spending time with family (amazing wife and 3 kids), playing with/training our dog, grilling, racquetball
Why the University of Iowa: Very strong program; excellent location; easy family life; well-rounded program; unbeatable resident camaraderie
Why Iowa City: Excellent place to raise a family; safe, convenient, low cost of living; feels like a much bigger city than it is
Research Projects: Antibiotic allergies, comparison of urine culture collection methods, antibiotic stewardship for cystoscopy and UDS, health informatics certificate program, Epic super-user

Hayden Warner, portrait

Hayden Warner, MD (Uro 5)
Southern Illinois University, School of Medicine, Springfield, Ill.

Hometown: Neoga, Ill.
Undergraduate (Major): Eastern Illinois University (Biology)
Medical School: Southern Illinois University, School of Medicine
Hobbies/Interests: Racing bikes, cooking with my wife, and being outside
Why the University of Iowa: Great surgical training at a high-volume center
Why Iowa City: Very easy place to live; plenty of activities
Research Projects: Identifying ways to improve diagnosis of Fournier's gangrene, Improving prostate cancer care in the VA system

Paige De Rosa, portrait

Paige De Rosa, MD (Uro 4)
The State University of New York (SUNY) Downstate Medical Center, College of Medicine, New York

Hometown: Queens, N.Y.
Undergraduate (Major): Bryn Mawr College (Biology, Environmental Studies)
Medical School: The State University of New York Downstate Medical Center, College of Medicine
Hobbies/Interests: Thrifting, exploring museums 
Why the University of Iowa: Excellent case diversity; supportive resident team and faculty!
Why Iowa City: Coming home by riding my bicycle over the river, sitting on my porch at nights after having a great dinner downtown, browsing in Prairie Lights bookstore and being close enough to get to Chicago for the weekend

Ilana Bergelson, portrait

Ilana Bergelson, MD (Uro 4)
University of Cincinnati

Hometown: Columbus, Ohio
Undergraduate: University of Chicago (Biology)
Medical School: University of Cincinnati, College of Medicine
Hobbies/Interests: Running, yoga, HIIT, Chipotle, my cats George Clooney and Bradley Cooper, visiting my favorite place on earth aka Trader Joe's
Why the University of Iowa: Amazing volume, great faculty, top training, and above all else - the residents are good friends both within and outside the hospital
Why Iowa City: Low cost of living and 4 distinct seasons 

Jordan Richards, portrait

Jordan Richards, MD (Uro 4)
Creighton University

Hometown: Fargo, N.D.
Undergraduate (Major): Creighton University (Biology & Philosophy)
Masters: Duke University (Master of Biomedical Science)
Medical School: Creighton University, School of Medicine
Hobbies/Interests: Live music, working out, wake surfing, Green Bay Packers football, Duke basketball 
Why the University of Iowa: Resident camaraderie, expansive department with all subspecialties, resident autonomy and caseload = amazing training!
Why Iowa City: Really enjoyed the town, culture and restaurant scene when I visited and am excited to explore more in the coming years

Charles Schlaepfer, portrait

Charles Schlaepfer, MD (Uro 4)
Washington University, St. Louis

Hometown: Omaha, Neb.
Undergraduate (Major): Washington University in St. Louis (History)
Medical School: Washington University in St. Louis, School of Medicine
Hobbies/Interests: I love to bake and managed to make all of my own bread for three straight years. I also love to build things and used COVID quarantine to come to Iowa to build new furniture and renovate my new house.
Why the University of Iowa: Excellent balance of lifestyle benefits and caring staff with excellent surgical experience. 
Why Iowa City: Iowa City is affordable but surprisingly bustling

Joanna Orzel, portrait

Joanna Orzel, MD (Uro 3)
Georgetown University School of Medicine

Hometown: Mount Prospect, Ill.
Undergraduate (Major): Chemistry and Spanish
Medical School: Georgetown University School of Medicine
Hobbies/Interests: Yoga; baking; rollerblading; eating ice cream; buying indoor plants; and being a Costco member
Why the University of Iowa: Fantastic residents and faculty; night float, high variety and number of cases
Why Iowa City: Blue skies; open spaces; the ability to drive almost anywhere within the city in less than 15 min; and ability to own a house!

R. Grant Owens, portrait

R. Grant Owens, MD (Uro 3)
Penn State University College of Medicine

Hometown: Harrisburg, Pa.
Undergraduate (Major): University of Scranton (Neuroscience)
Medical School: Penn State University College of Medicine
Hobbies/Interests: Musical performance/production; athletics; time with friends and family 
Why the University of Iowa: Variety and quantity of cases; all urologic subspecialties represented; resident camaraderie and faculty mentorship; prioritization of mental and physical health. 
Why Iowa City: Friendly community; easy commute; ability to purchase a house;  low-stress lifestyle

Reid Stubbee, portrait

Reid Stubbee, MD (Uro 3)
Chicago Medical School at Rosalind Franklin University

Hometown: Wheaton, Ill.
Undergraduate (Major): University of Chicago (Chemistry) 
Medical School: Chicago Medical School at Rosalind Franklin University
Hobbies/Interests: Skiing; golf; cooking and grilling; Chicago sports; Hawkeye football and basketball 
Why the University of Iowa: Excellent surgical training in all areas of urology; supportive and collaborative environment amongst residents and between residents and attendings
Why Iowa City: Hawkeye sports; easy access to all the amenities you need within 15 minutes

Adam Kemp, MD

Adam Kemp, MD (Uro 2)
University of North Dakota School of Medicine

Hometown: Williston, N.D.
Undergraduate (Major): University of North Dakota (Biology)
Medical School: University of North Dakota School of Medicine
Hobbies/Interests: Formula 1, college hockey, skiing, biking, and hiking
Why the University of Iowa: Ability to train with all urologic subspecialties. Excellent residents, faculty, and operative experience.
Why Iowa City: Friendly people, bikeable city, and a lot to do on weekends.

Elise Myers, MD

Elise Myers, MD (Uro 2)
University of Kansas School of Medicine—Salina

Hometown: Salina, Kan.
Undergraduate (Major): Biology
Medical School: University of Kansas School of Medicine—Salina
Hobbies/Interests: Laughing with friends and family; cooking & dining; cleaning & organization; everything pop culture; amateur floral design; learning how to DIY my way through homeownership
Why the University of Iowa: I immediately felt welcomed during my sub-internship by both the residents and faculty. Their teaching style is forgiving and positive, there's an incredible case diversity, the facilities are interconnected and modern—all in a city that revolves around the university and hospital system. I felt really supported here in every way and knew it was the place for me.
Why Iowa City: It's reminiscent of where I went to undergrad in Lawrence, Kansas. Iowa City feels like a home away from home, except with a little more snow.

Ben Plambeck, MD

Ben Plambeck, MD (Uro 2)
University of Nebraska Medical Center

Hometown: Lincoln, Neb.
Undergraduate (Major): University of Nebraska—Lincoln (Biology)
Medical School: University of Nebraska Medical Center
Hobbies/Interests: Spending time with my wife and 2 boys, piano and guitar, eating, working out, outdoor/lake activities, Husker sports, anything Star Wars, video games.
Why the University of Iowa: Excellent case volume and surgical training with outstanding faculty in all urologic subspecialties; incredible work-life balance (great for families); night float!; best resident camaraderie around; faculty mentorship.
Why Iowa City: Nice people; great place to raise a family; super easy commute; lots of fun stuff to do (nearby lakes, hiking/biking trails, etc.) and great restaurants to try.

Victoria Gonzalez, MD (Uro 1)
University of Oklahoma College of Medicine

Andrea Rossman, MD (Uro 1)
Medical College of Wisconsin

Hometown: Mequon, Wis.
Undergraduate (Major): Duke University (Biomedical Engineering)
Medical School: Medical College of Wisconsin
Hobbies/Interests: Farmers' markets, water skiing and wakeboarding, coffee and pastries
Why the University of Iowa: Research opportunities, all specialties represented, VA and private practice experiences
Why Iowa City: Very cute college town, nature close by, proximity to family, ease of living and homeownership

Brent Yelton, MD (Uro 1)
Oakland University William Beaumont School of Medicine

Hometown: Kalamazoo, Mich.
Undergraduate (Major): Kalamazoo College (Biology)
Medical School: Oakland University William Beaumont School of Medicine
Hobbies/Interests: Trail running, hiking, kayaking, climbing, or anything outdoors
Why the University of Iowa: Faculty who specialize in every subspecialty within the field of Urology. This program also has a group of residents who care about each other.
Why Iowa City: Iowa City has incredible trails and outdoor spaces. Iowa City is a perfect size town for me. There is an abundance of things to do, but also without the traffic of a major city.

Honors and Accomplishments

Honors and Accomplishments 2021–22

  • Charlie Paul nominated for 2022 John D. Silbar Award
  • Justin Drobish 2022 Excellence in Clinical Teaching Award
  • Ilana Bergelson 2022 nomination for Excellence in Clinical Teaching Award
  • Courtney Yong won first place for the 2021–22 Resident Teaching Award
  • Ilana Bergelson won second place for the 2021–22 Resident Teaching Award
  • Courtney Yong selected by American Urological Association North Central Section to participate in 2022 Residents Bowl held at AUA annual meeting
  • Alexander Martin 2021 Best Inservice Score
  • Justin Drobish 2021 Best Poster, American Urological Association North Central Section, Bladder Cancer Session
  • Joanna Orzel 2021 Pat on the Back—General Surgery Peer Recognition
  • Grant Owens 2021 University of Iowa Hospitals & Clinics Resident Make a Difference Award


Recent Alumni

We are proud of our resident alumni as they pursue private practice or academic medicine upon graduation.


Mark Bevill, MD (2017-2023)
Assistant Professor
Indiana University Health, Indianapolis

Justin Drobish, MD (2017-2023)
Private practice
Spectrum Health Medical Group, Grand Rapids, Mich.

Charles Paul, MD, MBA (2017-2023)
Private practice
McFarland Clinic, Ames, Iowa


Morgan Schubbe, MD (2016-2022)
Private practice
Wisconsin Institute of Urology, Neenah, Wis.

Andrew Vitale, MD, MS (2017-2022)
Private practice
Mercy Clinic Urology, Oklahoma City, Okla.

Courtney Yong, MD (2016-2022)
Robotic Surgery and Minimally Invasive Urologic Oncology Fellowship
Indiana University, Indianapolis


Kevin Flynn, MD (2015-2021)
Genitourinary Reconstruction Fellowship  
University of Iowa, Iowa City, Iowa

Anthony Oberle, MD (2015-2021)
Private practice
The Urology Center, P.C., Omaha, Neb.

Jeremy West, MD (2015-2021)
Private practice
Texoma Medical Center, Denison, Texas


Joey Guidos, MD (2014-2020)
Private practice  
Kansas City Urology Care, Kansas City, Mo.

Christopher Meier, MD (2016-2020)
Private practice
Yakima Urology Associates PLLC, Yakima, Wash.

Conrad Tobert, MD (2014-2020)
Private practice
Spectrum Health Medical Group, Lansing, Mich.


Nate Brooks, MD (2014-2020)
Urologic Oncology Fellowship (2 years)
University of Texas MD Anderson Cancer Center, Houston
George Ghareeb, MD, MBA (2014-2020)
Trauma and Reconstructive Urologic Surgery Fellowship (1 year)
Emory University, Atlanta
Paul Morrison, MD, MBA (2014-2020)
Private practice
United Regional Physician Group, Wichita Falls, Texas


Paul Kogan, MD (2012-2018)          
Private practice
Centra Medical Group, Lynchburg, Va.

Ryan Steinberg, MD (2012-2018)
Minimally Invasive Surgery and Endourology Fellowship
University of Texas Southwestern, Dallas

Lewis Thomas, MD (2012-2018)      
Urologic Oncology Fellowship (2 years)
Glickman Urological & Kidney Institute, Cleveland Clinic             


Eric D. Andresen, MD (2011-2017) 
Private practice
Unity Point Health, Waterloo, Iowa

Laura A. Bertrand, MD (2011-2017) 
Private practice
St. Elizabeth’s Physicians, Florence, Ky.

Vincent A. Chehval, MD (2013-2017) 
Private practice
Valley Urologic Associates, Phoenix


Megan T. Bing, MD (2010-2016)
Nellis Air Force Base, Spring Valley, Nev.

Joseph A. Gillespie, MD (2011-2016)
Private practice
Providence Health and Services, Portland, Ore.

Matthew A. Uhlman, MD, MBA (2010-2016)
Private practice
Yakima Urology Associates, Yakima, Wash.


Eric J. Askeland, MD (2009-2015)
Private practice
Unity Point Health, Waterloo, Iowa

Mark R. Newton, MD (2009-2015)
Private practice
Unity Point Health, Waterloo, Iowa

Kerri L. Thurmon-Barnes, MD, MPH (2009-2015)          
University of Kansas Medical Center, Kansas City, Kan.


Christopher E. Adams, MD* (2008-2014) 
Private practice
Mason City, Mercy Medical Center, Iowa
*Site Director for Mason City rotation

Nathan A. Bockholt, MD, MBA (2008-2014)         
Urologic Oncology Fellowship
UCLA Medical Center, Los Angeles     

Jason H. Reynolds, MD (2008-2014)                       
Private Practice
Harden Memorial Hospital, Elizabethtown, Ky.


Matthew J. Knudson, MD (2007-2013) 
Private practice
Great River Urology, West Burlington, Iowa

Andrew J. Lightfoot, MD (2007-2013) 
Robotic and Minimally Invasive Surgery Fellowship
University of Pennsylvania

Henry M. Rosevear, MD (2007-2013)
Private practice
Colorado Springs, Colo.


Angela M. Arlen, MD (2006-2012)  
Pediatrics Fellowship (2 years)
Emory University School of Medicine, Atlanta

Peter A. Holoch, MD (2006-2012)    
Andrology Fellowship
University of Iowa, Iowa City, Iowa  

Timothy P. Kresowik, MD (2006-2012)      
Private practice
Urological Associates, Davenport, Iowa


Matthew Braasch, MD (2005-2011)                        
Private practice
Minnesota Urology, Shakopee, Minn.

Jason Greenhalgh, MD (2005-2011)                       
Private practice
St Luke’s Magic Valley Medical Center, Twin Falls, Idaho


Howard Aubert, MD (2004-2010)               
Private practice
Riverside Medical Clinic, Riverside, Calif.

Kenneth Nepple, MD (2004-2010)   
Society of Urologic Oncology Fellowship
Washington University St. Louis, St. Louis