Dr. Keller graduated from Eastern Lebanon County High School in 2005 as co-valedictorian and Magna Cum Laude from Bucknell University in 2009 with a B.S in Biology. He received his medical degree from Penn State Hershey College of Medicine and completed his OB/GYN residency at York WellSpan Hospital. While in York, he served as administrative chief resident. He completed research in obstetrical ultrasound and presented his research at the American Institute of Ultrasound in Medicine annual conference in New York City. He also has published his research in the Journal of Ultrasound in Medicine. While in York he also won professionalism awards and the Ob/Gyn teaching award from Jefferson Medical College for rotating residents. His clinical interests include obstetrical ultrasound, high risk pregnancies, and general obstetrics and gynecology. In his spare time he enjoys spending time with his family, going to the beach, and watching collegiate and professional sports.