Dental Hygiene - Meet the Faculty

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John J. Girald, DMDJohn J. Girald, DMD

John J. Girald, DMD, is the Supervising Dentist for Allied Dental Education.  A graduate of the Fairleigh Dickinson School of Dental Medicine, he did his residency at Yale/New Haven Hospital, and then worked at the Community Health Care Plan in New Haven, CT for three years.  After many years of private practice in Connecticut, John and his wife moved to their summer home, New Hampshire, in 2011.  John looks forward to sharing his many years of clinical experience with new dental hygiene students, and will teach Oral Pathology to second year students.

Debra Albrecht, CDA, RDH, MEdDebra Albrecht, CDA, RDH, M.Ed.

Debra is the Department Head for Allied Dental Education. She is a graduate of The Fones School of Dental Hygiene at the University of Bridgeport, CT. She earned a BS in Dental Auxilliaries Teacher Education from the University of North Carolina, Chapel Hill, and a Masters in Education from Keene State College. Debra has worked in private practice in both general and periodontal offices. In 1997 she became coordinator of the Cheshire Smiles Dental Program at the Cheshire Medical Center, a public health program in the Monadnock region serving children without access to dental care, a position she held for about 10 years.

Marissa Gilligan, Dental Clinic ManagerMarissa Gilligan, Dental Clinic Manager

Marissa joined the Allied Dental Education Programs in 2005. She graduated from Rutland Business School and previously worked as an International Claims Representative for YBP Library Services.

Connie M. George, RDH, MEdConnie M. George, RDH, MEd

As a graduate of the NHTI Dental Hygiene Program, Connie has had professional experience in private practice dental hygiene as well as early childhood education, social work and school counseling. She received her BS from Plymouth State University and her MEd from the University of New Hampshire in 1989.

Karen Wynn, RDH, MEdKaren Wynn, RDH, MEd.

Karen Wynn is a graduate of the University of Iowa with a BS in Dental Hygiene. She received her MEd from Plymouth State University.


Rachel R. Leo Flagg, RDH, MARachel R. Leo Flagg, RDH, MA

Rachel Leo Flagg is a graduate of Westbrook College with an A.S. in Dental Hygiene. In addition to her Dental Hygiene degree, she received a M.A. from Connecticut College. Rachel has had eighteen years of Dental Hygiene experience in a variety of private practices.

Lisa Malfait, RDH, MEdLisa Malfait, RDH, MEd.

As a graduate of the NHTI Dental Assisting and Dental Hygiene programs, Lisa has returned to NHTI to teach. She received a B.S. from New England College and a Masters Degree in Education from Plymouth State University. She has experience in private practice dental assisting and dental hygiene in the areas of general dentistry, orthodontics, prosthodontics and periodontics.

Katrina Magee, RDH, MSKatrina Magee, RDH, MS

Katrina received her BS in Dental Hygiene from West Virginia University in 1997 and her Master of Science Degree in Dental Hygiene from Old Dominion University in 1999. She has professional experience in the private practice setting of dental hygiene and public health. She enjoys researching topics on instrument sharpening, ergonomics, ultrasonic scaling and herbal medicine in dentistry.

Karen Mercer, RDHKaren Mercer, RDH, MPH

Karen is a graduate of Middlesex Community College Dental Hygiene Program. She has a BS from Granite State College and a Masters of Public Health from UNH. Karen has thirty years of clinical experience in private practice, she is currently practicing in a periodontal office and as an adjunct clinical instructor at NHTI. Her interest in public health has allowed her to participate in a grant-funded oral health program for prenatal patients and a research project to improve the oral health of residents in long term care.

Margaret Ray, RDH, MEdMargaret Ray, RDH, MEd.

Maggie graduated with a certificate in dental assisting from Briarwood Jr. College. She received her A.S. degree in Dental Hygiene and her B.S. degree in Dental Hygiene Education from the University of Bridgeport, Fones School of Dental Hygiene. She was accepted into the Rensselaer Polytechnic Institute's MBA program and attended classes at the Hartford Graduate Center. Maggie earned her Masters degree in education from Antioch New England University. She has worked over 25 years as a dental assistant and dental hygienist in general and perio practices and was also a clinical instructor at Springfield Technical Community College.

Adjunct Faculty

Elizabeth Brown, RDH, MSElizabeth “BJ” Brown, RDH, MS

BJ is a graduate of Westbrook College with an A.S. degree in Dental Hygiene and Boston University's Goldman school of Dental Medicine with an M.S. in Dental Public Health. BJ has 15 years of experience in private practice and 15 years experience in public health focusing primarily in geriatrics and long term care.

Donna Clougherty, RDH, MEdDonna Clougherty, RDH, M.Ed.

Donna is a graduate of The Forsyth School For Dental Hygienist. She earned a BA from Notre Dame college and a Masters Degree in Education from Plymouth State University. She has experience in private practice dental hygiene and in public health.  Donna has over 28  years of teaching experience at NHTI and served as the Department Head of the Allied Dental Education Programs for 14 years.

Kelly J. O'Brien, RDH, BSDHKelly J. O'Brien, RDH, BSDH

Kelly is a graduate of the Community College of Rhode Island with an A.A.S. in dental hygiene. She received a B.S. in dental hygiene from the University of Bridgeport. Kelly began working in private practice as a dental assistant while in high school and has been a registered dental hygienist since 2004.

Sandra Inzer, RDH, MS, RD, LDSandra Inzer, RDH, MS, RD, LD

Sandra is a Registered Dental Hygienist who has been working in private practice for 26 y ears. She has worked in the fields of perio, ortho, pedo and general practice. She is also a Registered and Licensed Dietician and has been an instructor at UNH in the Nutritional Sciences and Dietetic Technician Programs.

Ellen Legg, RDHEllen Legg, RDH

Ellen earned her A.S. and Certificate of Dental Hygiene from Bristol Community College and her B.A. in Community Health Education from San Francisco State University. She has practiced in four different states in a variety of practice settings. Ellen brings over twenty-five years of experience to her position as an instructor in the Dental Hygiene clinic.

Debra Albrecht
Allied Dental Education
Department Head

(603) 271-6484 x4141

31 College Drive
Concord, NH 03301
(603) 230-4011