Sylvan Veterinary Hospital Team

Dr. Brad Kissell, VMD


 President, Veterinarian 

 Growing up in Altoona, Dr. Kissell graduated from the Altoona Area High School in 2002.  He attended Juniata College where he majored in Biology and graduated Summa Cum Laude in 2006.  He went on to obtain his doctorate of veterinary medicine from the University of Pennsylvania in 2010.  

Dr. Jamie Rettig, VMD


Associate Veterinarian 

 ​Dr. Rettig grew up in Hollidaysburg, graduating from Hollidaysburg Area High School in 2005. She attended Pennsylvania State University where she graduated in 2009 with high distinction as an Animal Sciences major with minors in Equine Science and Biology. She then attended the University of Pennsylvania, where she obtained her Doctorate of Veterinary Medicine degree in 2013. 

Dr. Sarah Barefoot, DVM


Associate Veterinarian 

Raelle Ferlitch, CVT


Office Manager, Technician 

 Raelle graduated from Moshannon Valley High School in 2009, and from there attended the Vet Tech Institute in Pittsburgh, PA.  She completed her internship at Metzger Animal Hospital of State College and upon graduating passed the Veterinary Technician National Exam to become certified.  She worked as a certified veterinary technician for four and half years before joining Dr. Kissell to help with the opening of Sylvan Veterinary Hospital. 

Ashley Mignogna


Technician, Auto-Ship Coordinator 

 Growing up in Altoona, Ashley graduated from Bishop Guilfoyle in 2008. She has always had a passion for animals so in the fall of 2008 she attended The Pennsylvania State University where she graduated with dual majors in Animal Sciences, Science and Business options and a Minor in Agricultural Business Management.

Heather Krull, CVT



 Heather graduated from Bellwood-Antis High School in 1997, she then attended Harcum College in Bryn Mawr, PA where she received her Associates Degree in Animal Science in 2000. Following graduation she completed her internship at University of Pennsylvania Veterinary Hospital and New Bolton Center Large Animal Hospital. When she finished her internship she passed the Veterinary Technician National Exam to become a CVT.   Heather has worked as a certified veterinary technician for 15 years, 13 of those years she worked at Blair Animal Hospital then eventually became the head technician.  

Alisa Baker



 Following graduation from Tyrone Area High School in 2011, Alisa attended the Vet Tech Institute in Pittsburgh  where she received her Associate's Degree in 2013. Prior to joining the team at Sylvan in September 2016, Alisa gained valuable experience at both State College Veterinary Hospital and Mount Nittany Veterinary Hospital in State College, PA. 

Kacy Jenkins, CVT



 Kacy graduated from Altoona Area High school in 2010. Shortly after graduating, she moved to Pittsburgh to follow her dreams of becoming a veterinary technician. She attended the vet tech institute and obtained her Associates Degree in Veterinary Technology. After completing her schooling, she moved back home and accepted an externship at Metzger Animal Hospital. She then passed the Veterinary Technician national exam to become a CVT.    Upon completion of her externship she was offered a full time position at Metzgers where she spent that last 5 and a half years of her career.  

Rebecca DePaolis



 Born and raised in Altoona, PA, Rebecca attended Bishop Guilfoyle Catholic High School and graduated in 2011. From there she continued her education at Penn State where she received her Associate Degree in Letters, Arts and Sciences. After college, Rebecca worked to become certified as both a Phlebotomist and as a Veterinary Assistant. 

Dani Ulicne, CVT



 Dani graduated from Hollidaysburg Area High School in 2010. Shortly after high school, she moved to Pittsburgh to attend Vet Tech Institute and graduated with an Associate’s Degree. During her externship at Metzger Animal Hospital she accepted a full time position where she spent the last 6 years of her career working in emergency medicine, orthopedics, and internal medicine. Dani passed her Veterinary Technician National Exam and became certified in 2012.  

Emily Noonan, CVT