Clinical Team


Donald R. Mackay
DDS, MD, FRCS(Edin), FRCS(Glasg), FCS (SA), FACS, FAAP Plastic and Reconstructive Surgery

Dr. Mackay is the William P Graham III Professor of Plastic Surgery and interim Chair of the Department of Surgery at the Penn State College of Medicine and Milton S. Hershey Medical Center. Dr. Mackay initially trained as a dentist before entering medical school at the University of the Witwatersrand in Johannesburg South Africa. He completed General and Plastic Surgery training in South Africa and was the Chief of Plastic Surgery at the Johannesburg Hospital before joining the Division of Plastic Surgery under Dr. Ernie Manders in 1991. He was appointed Chief of Plastic Surgery in 1998 and made the William P. Graham III Professor of Plastic Surgery in 2003. Under his leadership the division grew from three to nine full-time faculty and oversaw the development of a successful Integrated Plastic Surgery residency program. Dr. Mackay’s clinical focus has been in Pediatric Plastic Surgery and Cleft lip and palate. He has been on the attending staff of the Lancaster Cleft Palate Clinic for 30 years and has served on the clinic’s board for the past 10 years. Dr. Mackay is currently the President of the American Association of Plastic Surgeons, the oldest and most prestigious Plastic Surgery organization in North America.Since emigrating in 1991 Dr. Mackay and his wife Susan have lived in Hershey with their three boys, Duncan, Andrew and Calum. They all attended the Hershey Schools and now live with their own families in Philadelphia. Duncan is currently a fifth-year plastic surgery resident at the University of Pennsylvania.

Thomas D. Samson
MD, FAAP Pediatric Plastic Surgeon Penn State Hershey Medical Center Division of Plastic Surgery

Dr. Samson is a pediatric plastic surgeon at LCPC. He graduated from California State University, Northridge (Cum Laude) with a B.A., Biology in 1997. He earned his M.D. from Creighton University School of Medicine in 2002. He was a resident in General Surgery at Mayo Clinic Arizona, then in Plastic Surgery at Penn State Hershey, Milton S. Hershey Medical Center. His fellowship in Craniomaxillofacial Surgery was at University of Toronto Hospital for Sick Children.
He enjoys auto racing, basketball, football, hockey, and baseball. He has three awesome children, two guinea pigs and a goldfish. Dr. Samson works at the clinic because of the people he gets to work with and the patients he is able to serve.

Cathy Henry
MD, FACS, FAAP Pediatric Plastic Surgeon Penn State Hershey Medical Center Division of Plastic Surgery

Dr. Henry graduated from West Chester University of Pennsylvania (summa cum laude) with a B.S. Chemistry-Biology in 2002. She earned an MD from Penn State Milton S. Hershey College of Medicine in 2007, then completed a Plastic Surgery Residency at Penn State Hershey Medical Center. She also completed a Fellowship in Craniomaxillofacial Surgery at the Childrens’ Hospital of Wisconsin through the Medical College of Wisconsin in Milwaukee. At LCPC, she serves as a Pediatric and Craniofacial Plastic Surgeon for cleft lip and palate surgery, orthognathic surgery, and distraction osteogenesis. She enjoys music, the outdoors, and spending time with friends and family. Dr. Henry and her husband have three wonderful children, a goldfish, and sometimes various small creatures (caterpillars, snails, crickets, tadpoles/frogs, toads) until she can convince the kids that it is time to release them again. She shares, “I love what I do because it is a blessing and an honor to serve patients and their families as part of this amazing team.”

Sarah Wentzel
DMD, MS, Orthodontist

Dr. Sarah Wentzel is the team orthodontist on Tuesdays at the LCPC where she supervises the orthodontic care of patients. She also has a seat on the LCPC board of directors. In addition, Sarah is a full-time orthodontist at LOA Orthodontics. She received her bachelors from The College of William and Mary in Williamsburg, VA and her DMD from Temple University. She graduated at the top of her dental school class and was inducted into the Omicron Kappa Upsilon Dental Honor Society. She then completed her 3 year orthodontic residency and obtained a Masters of Science in Dentistry and Certification in Orthodontics at the University of Maryland.
Sarah is a member of both national and local dental and orthodontic study clubs to stay current with new developments in orthodontics. Her spare time is used up by being a mom to two beautiful little girls, Beatrix and Maxine.

Kristin Connors
DDS, MSD, Orthodontist

Dr. Kristin Connors was born and raised in Lancaster, PA, and graduated from Manheim Township. From the time she was in middle school and had her own braces she knew that she wanted to be an orthodontist! It is the perfect combination of her love of science, attention to detail, and passion for helping others.

A lifelong Nittany Lion fan, Dr. Connors received her bachelor’s degree in Life Science from Penn State University. She then went on to earn her dental degree from the University of Maryland. Dr. Connors completed her master’s degree and specialty training in orthodontics at the University of Colorado. After enjoying all of the adventure that the Colorado mountains had to offer, Dr. Connors and her husband, David, were thrilled to move back to their hometown of Lancaster to put down roots and to serve the community that has given them so much.

Dr. Connors is dedicated to providing high quality care in a fun and nurturing environment. She loves building relationships with her patients and seeing their confidence transform throughout treatment.

Wanda Flinn
DDS, MS, Orthodontist

Wanda is an orthodontist at LCPC. She obtained her DDS from Virginia Commonwealth University and orthodontic training at Temple University. Her master’s thesis was on cleft treatment outcomes using data from LCPC and other clinics internationally (results published in CPCJ). She has worked at the clinic for about 15 years and her responsibilities include orthodontic evaluation and consulting.
She enjoys traveling, singing and reading. She has two young daughters, a husband and two cats, William and Harry, who fill her life with chaos and laughter. She enjoys her work at LCPC because the patients and their families are a constant inspiration to her. They face life’s burdens with strength and optimism and are truly amazing. She also feels the team at the clinic is second to none. She could work closer to her private orthodontic practice near DC, but instead she drives two and a half hours to be at LCPC because she believes the caregivers here hold themselves to the absolute highest standards, always staying on top of the latest research and technology, and always comparing their results to other centers throughout the world. She says there is no ego or selfishness to be found on the team and that they are all united in their commitment to give 110% to their patients.

Wasna Dabbagh
DMD, MS, Orthodontist

Wasna Dabbagh, or Waz as her friends and patients know her by, is a graduate of the University of Pennsylvania School of Dental Medicine in Philadelphia, PA and the University of Baghdad, School of Dentistry in Baghdad, Iraq. In 2014, she spent a year in Lancaster doing a dental general practice residency at LGH. That was when she got the wonderful chance to be part of LCPC and to learn all about its rich history and inclusive culture. She was lucky enough to receive her specialty training in Orthodontics and Craniofacial Orthopedics from the Einstein Medical Center in Philadelphia, where she continued visiting LCPC on a regular basis and expanded her knowledge in that field. In her free time Wasna likes to spend time with her big, loud human and dog family while contemplating where to travel next. She looks forward to spending more time at LCPC and getting to learn more about the incredible patients and their wonderful families.

Pilar Tobin

Pilar is the speech-language pathologist at LCPC. She holds her bachelor’s and master’s degree from Towson University. She was also the speech therapist with LCPC and early intervention for York and Adams County. She evaluates speech and language development as well as palate function as it relates to speech, and recommends appropriate interventions and strategies. Pilar enjoys being outside, spending time with family and friends and going to Target. She has been married to her husband for two and a half years and has a one year old son, Brooks, and a rescue pitbull named Peter. Pilar loves to help children be more understood by their family members and peers. She enjoys watching their confidence grow as she works together with their family and the team at the clinic.

Brittany Bilitzo

Brittany holds a bachelor’s from Arizona State University and master’s degree from the University of Utah. Brittany comes to us from Nationwide Children’s Hospital in Ohio where she completed a Craniofacial Speech Language Pathology Clinical Fellowship. Brittany evaluates speech and language development and resonance (palate function as it relates to speech) and offers speech therapy for treatment of articulation disorders and cleft specific speech errors. She enjoys participating in research to find the best ways to care for children with craniofacial differences. In her spare time she enjoys hiking, camping, kayaking, DIY projects, and going to the dog park with her dog Arrow.

Abbie Ellis
MS, CCC-SLP, Feeding Specialist

Abbie received an MS degree in Speech-Language Pathology from Ithaca College in 1991 and has worked in a variety of settings and populations, infant-adult since that time. After working in the acute care setting at Lancaster General Hospital from 1996-2005, she has spent the last 15 years educating and empowering parents welcoming a baby diagnosed with a cleft lip and/or cleft palate into their families. Abbie is always on call to families and hospitals that need her to evaluate a baby struggling with feeding, either in the hospital or home setting. When not coordinating prenatal or pre-adoption consults with our social worker, Suzanne, Abbie is responsible for taking the pictures of our patients on Team days to document each patient’s progress.

Abbie is married to Bob and has four children: Katie (21), Ben (20), Jack (16) and Lulu (15). As someone who loves to serve others, Abbie is grateful that her position here at Lancaster Cleft Palate Clinic allows her to do just that! Helping families to adjust to caring for their baby with a cleft lip and/or palate by equipping them both mentally and physically is her greatest passion.

Donna Brosbe
MD, FAAP. Pediatrician

Donna Brosbe MD, FAAP.
Donna is a general Pediatrician and has been working with the team at LCPC for more than 10 years. She monitors children and their growth and development and watches for any problems that may develop. She also works in a private practice as a Pediatrician. She graduated from Ursinus College with a BS in Chemistry. She went to medical school at Temple University and did her Pediatric Residency at Thomas Jefferson University Hospital. Donna has lived in Lancaster for more than 30 years. She and her husband Bob have three wonderful grown children and two fabulous grandchildren. Her other interests include scuba diving, reading and learning Hebrew. She has loved her experience at LCPC and has learned so much from the other team members. She finds that it is rare to work in such a cooperative team and is in awe of the strength and grace of the patients and their families. She finds it a privilege to become a part of their lives.

Steven Killough
MD, AuD, CCC-A, Pediatrician

Steven is a pediatrician at LCPC. He obtained his M.D. with a pediatric residency at Drexel University. His responsibilities include checking the patients for ear infections and addressing any other pediatric, behavioral, or child rearing issues with patients and their parents. Outside of work, Steven plays and performs regularly with the “Ukulele Uprising” in Lancaster. He is married with two grown children, two old dogs, and two cute granddaughters. He loves what he does at the clinic because he is surrounded by great subspecialists. He always learns a lot and makes sure that all of the families’ concerns are addressed.

Rachel Sharnetzka

Dr. Sharnetzka has served as the audiologist for the Lancaster Cleft Palate Clinic since 2007. She has also served as an adjunct professor for Towson University. She currently participates with the Pennsylvania South Central Early Hearing Detection and Intervention Community for pediatrics. Rachel Sharnetzka, Au.D. CCC-A, obtained her Bachelor of Science in Communication Disorders from Penn State University and later graduated from Vanderbilt University with her master’s degree in Audiology. She then went on to obtain her Doctor of Audiology from AT Still University, Arizona School of Health Sciences. She has worked in a variety of settings, including the University of Maryland Medical Center, AC Associates Hearing, Tinnitus and Balance Center and Towson University’s Institute for Well Being Hearing and Balance Center. Dr. Sharnetzka’s areas of interest include pediatric amplification, bone conduction hearing aids and cleft-craniofacial care. She enjoys the collaborative and supportive nature of team care and has a special passion for working with pediatric patients with cleft lip, cleft palate and other craniofacial differences. In addition to working at LCPC, she enjoys spending time in Fenwick Island, DE with her husband, three children and their yellow lab, Sugar. One of her favorite memories of LCPC was the day she interviewed for the position and heard the history of the clinic. She was completely hooked on the clinic and its mission after hearing Dr. Long describe how his grandfather opened the clinic in 1938 and she knew she wanted to be a part of the LCPC family.

Robert Belser
MD, Otolaryngologist (Ears, Nose and Throat)

Robert is the otolaryngologist (Ears, Nose and Throat) at LCPC. He attended Franklin & Marshall College, University of Pennsylvania Medical School, Case Western Reserve University and University Hospitals of Cleveland. Robert is responsible for the care of the patient’s ears, nose and throat. Robert enjoys spending time with his family and tennis. He also likes music, especially the trumpet. He has two red fox labs, one that is 10 years old and the other is 10 weeks old. His favorite part of working at the clinic is seeing the kids smile.

Victor DaCosta
MD, Otolaryngologist (Ears, Nose and Throat)

Victor graduated from University of California, Berkeley, then University of California, Irvine, and did Residency at Duke University (Otolaryngology). His Fellowship was at Children’s Hospital of Michigan (Pediatric Otolaryngology). He previously served at University of Maryland, Baltimore, as an Assistant Professor.

Victor is responsible for ear and hearing care of team patients and is able to perform minor procedures such as ear cleaning and tube removal. He also performs nasal endoscopy to assess airway and speech function.

Victor enjoys music, specifically jazz, and plays the saxophone. He enjoys travel and exploring new places and cuisine. He volunteers at the Clinic, he says, “Because I love collaborating with other professionals in the complicated care of a child. I enjoying learning from the expertise of others and in turn offering my expertise and perspective to team meetings. I am happy to be part of the team that provides compassionate and high quality care to our team patients.”

Suzanne Woodard

Suzanne graduated from Bucknell University, Magna Cum Laude, with a Bachelors of Arts in Spanish and History. She then earned a Master of Science in Social Work at Columbia University. She has worked in various medical and mental health settings, including hospitals, nursing homes, hospice, and community mental health clinics. As a team member, Suzanne offers emotional and logistical support to patients and families as they meet the challenges that cleft lips, palates and craniofacial differences may present. Suzanne loves living in her hometown of Lancaster with her husband, two children, and two pugs. She enjoys playing tennis, cooking, reading, and volunteering in the community. Her favorite part of the job is spending time with the great patient families and assisting Abbie Ellis with prenatal/prenatal consultations.

Elizabeth Prada
DMD, MPH, Pediatric Dentist

Liz holds two roles as the clinic as the executive director and as a pediatric dentist. She has a BA in Biology and Public Policy from Duke University, a DMD from the University Of Pennsylvania School Of Dental Medicine, and an MPH from the University of North Carolina-Chapel Hill School of Public Health, Department of Health Policy and Management. She completed her residency at the University of North Carolina-Chapel Hill in Pediatric Dentistry.

Liz provides all aspects of pediatric dental care, including cleft and craniofacial care, special needs and hospital dentistry. She holds hospital privileges at Penn State Hershey Children’s Hospital and Penn Medicine – Lancaster General Health. As executive director, she works with the board of directors to oversee financial management, development, marketing and communications at the clinic. Outside of the office, Liz enjoys photography and travel. She is married with two sons and a dog. She enjoys working with patients throughout their childhood as they mature into successful adults.

Roseanne Ayala

Roseanne has been an RN for over 40 years. She attends the clinic to support the Plastic Surgeons at Hershey Medical Center, helping to coordinate between the two institutions to ensure that all patient needs are met. Roseanne provides some pre-surgical teaching so families and their children feel prepared for surgery. Roseanne loves to travel and experience different lands and cultures. Roseanne has been married for 40 years, with one son that is engaged to be married next year. She works here because LCPC is one of the favorite places that she has ever worked in her long nursing career. She says, “The staff is very dedicated and goes out of their way to make sure patients receive the best care possible. The team approach is unique and an amazing way to take care of children and families.”

Clinical Staff

Neishma Tudor
Registered Dental Hygienist

Neishma is a registered dental hygienist at LCPC. She holds an Associates of Applied Health in Dental Hygiene MCCC. She is also a sterilization monitor. Neishma has over 12 years of experience, but has been specializing in pediatrics for the last five years. She loves traveling with her family. She enjoys her work at the clinic because her patients are unique. No matter what cranial facial defect or disability they are born with, they continue to live life to the fullest. She says she gets more from her patients than what she is able to give them. Neishma also feels that the team strives to provide a comfortable, stress free, educational, and rewarding experience for their patients.

Sharon Swierczewski

Sharon Swierczewski has been practicing dental hygiene for 28 years. She is a 1991 graduate of University of Maryland Dental School, receiving her Bachelor of Science degree in Dental Hygiene. Sharon worked her entire career in a private practice setting before joining LCPC. She is responsible for taking radiographs, performing cleanings as well as oral hygiene education for our patients at LCPC.
Sharon is active in her church and enjoys attending Bible studies. She also enjoys travelling (she got to see DOWNTON ABBEY on a trip to England!) and loves to go thrifting. She also is an avid fan of the Philadelphia Eagles.
Sharon has been married to her husband Mark for 25 years. They have 2 sons: Eddie, a recent graduate of West Chester University and Christian, a junior at Wilson High School in West Lawn, PA. Sharon’s family also includes her 8 year old Cavalier King Charles Spaniel, Sir Jeffrey.
Sharon always wanted to feel part of a team and make a difference in people’s lives. For this reason, she feels LCPC is the perfect fit for her.

Carey Blantz
Orthodontic Technician and Surgery Coordinator

Carey is the orthodontic technician and OR coordinator at LCPC. She obtained her EFDA license. She works with the orthodontists to treat orthodontics patients and schedules pediatric patients for dental surgery. Outside of work, Carey loves going to the beach, making crafts and gardening. Her and her husband Josh live in Brownstown with their amazing children Austin, 11, and Madison, 7 and their shih-poo named Bailey. She has enjoyed working here since 2004. She loves the people she works with as well as getting to know patients and their families. She feels it is so rewarding to see all of the positive changes they help create in the lives of their patients.

Kim Stoner
Orthodontic/X-Ray Technician

Kim is the orthodontic/x-ray technician at LCPC. She has over 40 years of experience and was trained by Dr. Rusty Long. She was his first assistant in 1977. She helps straighten teeth, take x-rays and records, and is the ZOOM whitening specialist. She enjoys this because everyone leaves that appointment with a brighter smile and more confidence. Kim enjoys playing games, especially card games. She also finds joy teaching Sunday school to 3 and 4 year olds at the Lititz Moravian Church. She is married to her husband Don and has two sons, Ryan and Jason, a grandson Isaiah, and a cat named Ivory. Kim loves her job because of the beautiful patients she meets every day, the intellectual colleagues she works with and the hugs that bless her.

Jessica Kraybill
Orthodontic Technician

Jessica is an orthodontic technician at LCPC. She is an YTI graduate with seven years of experience in orthodontics. Jessica enjoys spending time with family, working on puzzles and seeing musicals. She has a wonderful other half, Steven, an eight year old daughter Shiloh, and four cats.

Jennifer Blizzard
Dental Assistant

Jennifer has been a dental assistant for 22 years. She works with pediatric patients, and is currently developing an avenue for parents and patients to gain additional support and services through school districts as Patient Advocate. This new role stems from personal experience as a parent of a child with special needs. Jennifer has two daughters, one who is deaf and one who has autism. The family has a dog, Bella, who has a cleft and is being trained to be LCPC’s therapy dog! Jennifer enjoys reading and cooking. She loves working at LCPC because she believes in the organization’s mission. It’s very rewarding, she says, to be part of making a difference in someone’s life.

Victoria Chastain
Pediatric, General Dentistry, and Orthodontics Technician

Tory completed her dental assisting and radiology certificates at YTI. Her responsibilities at the clinic include pediatrics, general, and orthodontics. Outside of the office, Tory enjoys reading, trying new restaurants, and spending time with friends and family. She loves working at the clinic because she enjoys helping others, and being able to watch their progress as they grow.

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