Advanced Education Residents
First Year Residents
James Ball , D.D.S.
Dr. James Ball was born in Fort Leonard Wood, Missouri and grew up at various U.S. military bases around the country and overseas. He graduated from Texas A&M University in 2005 with a B.S. in Biomedical Engineering and received his D.D.S. degree from The University of Texas Health Science Center at San Antonio in 2009. After graduation, he spent four years serving as a Dental Officer in the U.S. Army, including a tour in Iraq as a Brigade Dental Surgeon. Dr. Ball’s professional affiliations include the AAE, ADA and Omicron Kappa Upsilon National Dental Honor Society. In his spare time, he enjoys reading, traveling, exercising, and spending time with his wife Kate and their dog Scout.
Sara Fayazi, D.D.S.
Sara Fayazi was born in Tehran, Iran. She received her D.D.S. degree in 2003 and completed a residency training program at Tehran University of Medical Sciences. She earned a certificate and a master’s degree in endodontics in 2006. After graduation, she accepted a position as a full-time assistant professor in Rafsanjan University of Medical Sciences in Kerman, Iran until 2009. Dr. Fayazi moved to the United States in 2011 and after completing a preceptor program at UCLA School of Dentistry in California, she joined the Endodontics Department as a researcher in Dr. Shane White’s Laboratory. In addition to teaching and clinical activities, Dr. Fayazi has been involved in several research projects and seven publications. In her spare time, she enjoys swimming, biking, watching movies and loves spending time with her husband and little girl, Parin.
Michael Hosking, D.D.S.
Dr. Michael Hosking was born in Indianapolis, Indiana and raised in Big Rapids, Michigan. In 2007, he completed his undergraduate studies at Michigan State University, and earned a B.S. in Human Biology with a Specialization in Bioethics. In 2012, Dr. Hosking earned a D.D.S. degree from the School of Dentistry at the University of Michigan and, as a dental student, received the Raymond L. Hayes Award in Endodontics and the Louis C. Schultz Award for Achievement in Clinical Service. Dr. Hosking moved to San Antonio to continue his training in the Advanced Education in General Dentistry (AEGD) residency at UTHSCSA. In his free time, he enjoys running, reading, hiking and spending time with his fiancée Dr. Yoshita Patel, a general dentist in San Antonio.
James Cullen (AF)
Dr. James Cullen is from Annville, Pennsylvania and serves as a major in the United States Air Force. He graduated with a B.S. in Biology from Lehigh University in 2000 and a D.M.D. from Temple University School of Dentistry in 2004. After graduation, he completed a one-year Advanced Education in General Dentistry (AEGD) residency at Langley AFB, Virginia. He was then assigned to Spangdahlem Air Base, Germany from 2005-2009, where he had the opportunity to travel throughout Europe. After his service in Germany, Dr. Cullen was assigned to Dover AFB, Delaware. He enjoys traveling, sports and, most importantly, spending time with his wife, Janelle, and their two beautiful children, Cora (3) and Jude (1). They are expecting their third child in October 2013.
Jelena Seibold (AF)
Dr. Jelena Seibold was born and raised in southeastern Michigan and received her B.S. in Biology from the University of Detroit Mercy. She joined the United States Air Force through the Health Professions Scholarship Program while in dental school. Upon graduating from the University of Detroit Mercy, School of Dentistry, she was selected for a one-year Advanced Education General Dentistry (AEGD) residency at Langley AFB, Virginia. After completing the residency, she continued her Air Force career as a general dentist at Shaw AFB, South Carolina for four years, then moved to Scott AFB, Illinois for another two years before coming to Joint Base San Antonio - Lackland to begin an endodontic residency. Dr. Seibold enjoys spending time with her husband and two children and enjoys hiking, camping, canoeing and gardening.
Second Year Residents
Obadah Austah, B.D.S.
Dr. Obadah Austah was born and raised in Yanbu, Saudi Arabia. He received his Bachelor in Dental Medicine & Surgery (B.D.S) Degree, with honors, in 2009 from The College of Dentistry, King Abdul Aziz University (KAU), Jeddah, KSA. Dr. Austah completed a one year internship in general dentistry at different hospitals and medical centers and was involved in several research projects. He joined the dental department at King Faisal Specialist Hospital & Research Center (KFSH&RC) as a staff dentist. He enjoys fishing, soccer, boating, diving, and camping.
Vanessa Chrepa, B.D.S.
Dr. Varvara (Vanessa) Chrepa was born and raised in Athens, Greece. She graduated from the Dental School of the University of Athens (UOA) in 2009. After graduation, Vanessa joined a private practice in Athens. Since 2010, she shared her time between the Endodontics department of the Athens Naval Hospital and private practice. Alongside her clinical activities, she has been actively involved in clinical research and has contributed in 3 publications and many oral presentations both in Greece and internationally. She enjoys travelling, baking and playing with her dog Cielo.
Jon Fu, D.D.S.
Dr. Jon Fu was born in Los Angeles and was raised in Irvine, California. He graduated from the University of California at Irvine with a B.S. in Biological Sciences in 2005. He received his D.D.S. degree at the Ostrow School of Dentistry of the University of Southern California (USC) in 2010. At USC, Jon had the privilege of serving in four dental mission trips to Central America with Christian Medical and Dental Associations where he also received the Sepideh Namazikah Humanitarian Award. He continued his dental training by completing a one-year AEGD residency through Lutheran Medical Center at the Waianae Coast Comprehensive Health Center in Oahu, Hawaii. While there, he practiced general dentistry and served as adjunct faculty for the AEGD program. He is happily married to Dr. Valerie Suey, who is a practicing optometrist in San Antonio. Together, they enjoy playing tennis, hiking and spending time with family and friends.
Riyadh Althumairy, B.D.S
Dr. Riyadh Althumairy was born in Riyadh, Saudi Arabia. He received his Bachelor of Dental surgery from King Saud University, College of Dentistry. He then finished a one year Internship training program in General Dentistry at the same institution. He practiced General Dentistry for three months in National Guard Hospital. After that, he joined the faculty of collage of Dentistry, King Saud University as a teaching assistant. Riyadh enjoys soccer and swimming.
Julie Berkhoff, D.D.S.
Dr. Julie Berkhoff was born and raised in Colorado Springs, Colorado. She has worked in general dentistry and endodontics since 1995. Her undergraduate studies were done at The University of Colorado, Colorado Springs majoring in Biology. She was granted early admission to The University of Colorado School of Dental Medicine where she was actively involved in research as well as student teaching in endodontics. Her professional affiliations include ADA, AAE, AGD, Colorado Dental Association, and Alpha Omega dental fraternity. Julie was recently elected into Omicron Kappa Upsilon National Dental Honor Society and received her DDS degree, with honors, on May 27th, 2011. In her spare time, she loves spending time with her husband, their four children, and her three dogs. She also enjoys exercising, running, hiking, biking, and anything outdoors. Although she will miss the Colorado Mountains, she is looking forward to enjoying the heat in San Antonio!
Nikita Ruparel, D.D.S., PhD
Dr. Nikita Ruparel was born in Mumbai, India where she received a Bachelors degree in Microbiology and a Masters degree in Life Sciences with specialization in Neurobiology. She then moved to the United States in 2003 and was accepted to the PhD program in the Cellular and Structural Biology Department at UTHSCSA. Dr. Ruparel decided to pursue a dual degree in DDS/PhD and joined the School of Dentistry in 2007. She has completed both degree programs, earning the DDS and the PhD degree in 2011. Apart from school, she enjoys music, traveling, hiking and spending time with family and friends.
Ali Alaqla , B.D.S.
Dr. Ali Alaqla was born and raised in Riyadh, Saudi Arabia. He received his Bachelor in Dental Science, (BDS) from the College of Dentistry at King Saud University, in Saudi Arabia and completed a one year internship program at the same institution. After completing the internship program, he received a teaching assistant position in endodontics at King Saud University, Health Sciences. Dr. Alaqla enjoys soccer, traveling and reading.