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Faculty Profiles

Scott B. McClanahan Professor Director, Division of Endodontics Director, Graduate Endodontics Diplomate, American Board of Endodontics Dr. McClanahan received a B.A. in 1974 and D.D.S. in 1981 both from the University of North Carolina at Chapel Hill. In 1981, he entered the U.S. Navy as a dental officer. Dr. McClanahan was selected by the Navy for civilian specialty training and completed his certificate of residency in endodontics at Northwestern University Dental School as well as a M.S. from Northwestern University in 1989. After three assignments as a clinical endodontist, Dr. McClanahan joined the faculty of the Endodontics Department at the Naval Postgraduate Dental School, Bethesda, MD in 1998 and in 2001, assumed the responsibilities of Chairman of the Endodontics Department and Director of the Advanced Specialty Education Program in Endodontics. Dr. McClanahan retired from active duty in September 2005 and joined the faculty at the University of Minnesota, School of Dentistry in November of 2005. He is a Fellow of the International College of Dentists. Dr. McClanahan is a Director of the American Board of Endodontics 2013-9 and the 2018-9 President of the board.

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Carolina Rodriguez-Figueroa Clinical Assistant Professor Director, Undergraduate Endodontics Director, Pre-Clinical Endodontics Course Diplomate, American Board of Endodontics Dr. Carolina Rodriguez-Figueroa was born and raised in Caracas, Venezuela. In 2002, she received her dental degree from the Universidad Central de Venezuela School of Dentistry. In 2003, she was accepted into the Gerondontology Program at the “Universidad Complutense de Madrid”, Spain and upon completion of the program in 2004, worked in private practice in Venezuela. In 2005, Dr. Rodriguez- Figueroa enrolled in the Full Time Endodontic Program at the “Universidad del Salvador & AOA” in Buenos Aires, Argentina. After completing this program in 2006, she returned to Venezuela to get married and soon moved to the US with her husband, Dr. Luis Delima. In June 2009, she joined the Oral Health Services for Older Adults Program at the University of Minnesota that she completed in May 2011. She received her certificate of residency in endodontics and M.S. degree from the University of Minnesota in 2013. Dr. Rodriguez-Figueroa joined the faculty in September 2013. Daughter Nicole was born in April 2015. Her interests include travel, dancing, cooking and spending time with friends and family.

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Ronald Ordinola Zapata Assistant Professor Dr. Ordinola Zapata obtained his D.D.S. degree in 2001 from Inca Garcilaso de la Vega University in Lima-Peru. After practicing for 6 years as a general dentist, Dr. Ordinola Zapata continued his career at the Endodontic Department of the University of Sao Paulo in Brazil where he obtained a Master and a Doctoral degree in Endodontics (2007-2013). In 2014, he moved to USA to continue his training. Dr. Ordinola Zapata completed a 2-year AEGD residency program at Larkin Community Hospital in Miami (2016) and his Endodontic residency program at the IB Bender Endodontic Division, Albert Einstein Medical Center in Philadelphia (2018). In his academic career, Dr.Ordinola Zapata has published more than 70 scientific papers in peer-reviewed journals and lectured internationally. Dr. Ordinola Zapata also serves as Associate Editor of the International Endodontic Journal (UK) and is a member of the scientific advisory board of the Journal of Endodontics (USA).

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Part-time Faculty Adjunct Clinical Professors Jim Spitzmueller DDS 1968 University of Minnesota Residency 1972 University of Minnesota MS 1972 University of Minnesota Adjunct Clinical Associate Professors Dan Ang DDS 1987 University of Alberta Residency 2012 University of Missouri

-Kansas City Scott Doyle DDS 1999 University of Minnesota Residency 2004 University of Minnesota MS 2004 University of Minnesota Ken Zucker DDS 1974 Georgetown University Residency 1983 University of Minnesota MS 1983 University of Minnesota Adjunct Clinical Assistant Professors Ramon Aguirre DDS 1986 University of Missouri – Kansas City Residency 1983 University of Minnesota MS 1983 University of Minnesota Andy Doroschack DDS 1989 University of Minnesota Residency 1997 University of Minnesota MS 1997 University of Minnesota Rob Kaufman DDS 1990 University of Minnesota Residency 1998 Naval Postgraduate Dental School MS 1998 George Washington University Tom Karn DMD 2000 University of Connecticut Residency 2003 University of Connecticut MS 2003 University of Connecticut Phil McKenzie DDS 2012 Dalhousie University Residency 2016 University of Minnesota MS 2016 University of Minnesota

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Tom Neafus DDS 1997 University of Minnesota Residency 1999 University of Minnesota MS 1999 University of Minnesota Jeff Ryan DDS 2003 University of Minnesota Residency 2007 University of Minnesota MS 2007 University of Minnesota Volunteer Faculty Kirk Baumgardner DDS 1979 University of Iowa Residency 1993 University of Iowa PhD 1993 University of Iowa Alan Law DDS 1991 University of Iowa

Residency 1995 University of Iowa PhD 1995 University of Iowa

Thomas Mork DDS 1976 Marquette University Residency 1984 Naval Dental School Mike Tulkki DDS 2001 University of Minnesota Residency 2006 University of Minnesota MS 2006 University of Minnesota

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Residents JT Crepps

Class of 2019

Dr. Crepps was born in Rochester, Minnesota and grew up in Colorado Springs, Colorado. He attended Colgate University, graduating with a B.A. in Molecular Biology. Dr. Crepps then returned to the Rocky Mountains and obtained his D.D.S. from the University of Colorado School of Dental Medicine. After dental school, he completed an Advanced Education in General Dentistry residency at the Audie L. Murphy VA hospital in San Antonio where he had the honor of helping many of our nation’s veterans. Dr. Crepps practiced general dentistry at South Hills Dental in Helena, Montana before starting the graduate endodontic program at the University of Minnesota. In his free time, he enjoys backpacking, skiing, Crossfit, and spending time with his wife and family.

Colby Dimond Class of 2019

Dr. Dimond was born and raised in Salt Lake City, Utah. He spent two years living in Argentina on a service mission where he developed a passion for dentistry. In 2011, he completed his undergraduate studies at the University of Utah with a B.A. in International Studies. Dr. Dimond obtained his dental degree from the University of Michigan in 2015. After graduation, Dr. Dimond and family moved to Central Texas to practice general dentistry. In his spare time, he enjoys spending time with his wife and three children, traveling, photography, and learning about technology. Dr. Dimond is excited to return to the Midwest to continue his education in endodontics.

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Daryl Grigsby

Class of 2019

Dr. Grigsby was born and raised in St. Louis, MO and the Metro Atlanta, GA area. He attended Prairie View A&M University where he earned a B.S. in Biology with a Minor in Chemistry in 2005. He then attended Ross University School of Medicine before deciding to switch paths upon learning that dentistry combined his passion for art and being able to work with his hands. Dr. Grigsby obtained his D.M.D degree and Certificate of Public Health-Dental Emphasis from A.T. Still University – Missouri School of Dentistry and Oral Health in 2017 as a member of their inaugural class. In his spare time, Dr. Grigsby enjoys spending time with his wife, playing tennis, and watching basketball and soccer. After residency, he plans on a career integrated with private practice, public health, and education.

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Jeff Heyse, D.M.D.

Class of 2020

Dr. Heyse was raised in an Air Force family with his two siblings. As a result, his family moved around the country frequently as he grew up but he calls Las Vegas, Nevada home. He graduated from the University of Nevada-Reno in 2007 earning a B.S. in Biology with a minor concentration in Psychology. Staying in Nevada, Dr. Heyse then obtained his D.M.D. degree in 2012 from the University of Nevada-Las Vegas School of Dental Medicine. Immediately following dental school, he commissioned as an officer into the United States Air Force Dental Corps and headed to the east coast to attend an AEGD-1 residency program at Langley AFB, Virginia. After completing his residency in 2013, Dr. Heyse spent three years at his first duty station at Misawa Air Base in Northern Japan enjoying the snow and ramen. After Japan, he came full circle ending his time in the Air Force at Nellis Air Force Base in Las Vegas. Dr. Heyse has a loving wife, two children, and a dog that has adjusted well to no longer being an only child. He and his wife share a passion for travel and working out. In his spare time, he enjoys snowboarding, watching sports, and practicing his amateur DJ skills. Dr. Heyse is excited for the opportunity to continue his education at the University of Minnesota and plans to enter private practice as well as part time teaching after completion of this program.

Chris Lai, D.M.D.

Class of 2020

Dr. Lai was born and raised in Vancouver, British Columbia. He attended the University of British Columbia, graduating with a BSc. in Animal Biology. Dr Lai then obtained his D.M.D. from the University of Manitoba. After graduation, Dr. Lai moved to Calgary, AB where he practiced as a general dentist. In his spare time, he enjoys travelling with his wife, snowboarding, scuba diving, and playing the guitar. Dr. Lai is excited for the big move down to Minnesota to continue his education.

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Katie Schaetzel, D.D.S. Class of 2020

Dr. Kathleen (Katie) Schaetzel was raised in Lawrence, Kansas. She is a graduate of Deerfield Academy in Massachusetts where she obtained her secondary education. She obtained her Baccalaureate degree with honors in Secondary Math Education from University of Kansas. She took a gap year before matriculating into dental school at Nebraska, working at the A-Bar-A ranch and the Four Seasons Hotel in Jackson, Wyoming. Following dental school, Katie practiced at a charity dental clinic in Topeka, Kansas. Her hobbies include knitting, needlepoint, skiing, sculling, hiking, traveling and Western horseback riding. She has won several national metals for her sculling ability. With her father as her partner, she is actively looking for Forrest Fenn’s hidden treasure. Together they believe they are close to finding the hidden cache, after Mr. Fenn confirmed that they alone have found “the blaze” he refers to in his poem, which leads to the treasure. She is excited to be a part of the University of Minnesota, where her maternal grandparents met and were married in the University’s chapel. Go Gophers!

Dusty Weitz, D.M.D. Class of 2019

Dr. Weitz was born in Pullman, Washington and grew up in nearby Moscow, Idaho. Dr. Weitz’s father was a dentist, giving him much exposure to the field from an early age. In 1996, he began an accelerated dental program at the University of the Pacific. After graduating in 2001, at the age of 22, he joined his father in private practice. His years of work experience have confirmed his interest in endodontics and he is excited to take his skills to the next level. Dr. Weitz enjoys spending time with his wife Melissa and their two children, Alexander and Elizabeth. Outside of dentistry, Dr. Weitz has diverse interests that include being a private pilot and an avid skier; he enjoys travel and he spent a year abroad in high school as a Rotary exchange student. Other recreational activities he enjoys include snowmobiling, motorcycle riding, and boating. In addition to his work as a general dentist, Dr. Weitz has operated a family farm and cattle ranch. He and his family are excited about spending the next few years in Minneapolis. After completion of the residency program, Dr. Weitz plans to return to Idaho to enter private practice and hopes to continue to be involved in both education and organized dentistry.

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Jane Schwensohn, Executive Administrative Assistant, Division of Endodontics

Caroline Bishop, Patient Care Coordinator, Division of Endodontics

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Ling-Hui Anderson & Kara Hayes Certified Dental Assistants

Graduate Endodontics

Marlene Thell Certified Dental Assistant

Undergraduate Endodontics