Meet Your Expert Instructors!

Dr. Angela Thomas Ed.D, RT(R)

Angela M. Thomas is a seasoned healthcare and higher education leader with over 30 years of experience. She serves as Dean of Health Sciences at Vance-Granville Community College, radiography program head, educator, and clinician. Passionate about accreditation, mentoring, and innovation, she empowers students and professionals while driving excellence in education, leadership, and healthcare outcomes.

Abe Najjar MHA, RT(R)

Abe Najjar is the program director at Hunter Business School with over 12 years of experience. From high-volume clinical work to hospital leadership, he advanced into education, developing and directing a successful radiography program. His leadership has produced outstanding student outcomes, including 100% pass rates, retention, and job placement success.

Dr. Nicole Walton-Trujillo, RT(R)(CT), BSRS, MBAH/MOL, DM

Dr. Nicole Walton-Trujillo is a radiologic technologist and CT specialist, U.S. Air Force veteran, and healthcare leader who advanced into imaging management and education. She now serves as a radiologic technology program director at Gurnick Academy (Van Nuys Campus), contributing to professional development, leadership, and patient-centered care while educating and mentoring future imaging professionals

Erica Dellis, MPA, RT(R)(MR)(M)(CT)

Erica Dellis is a veteran radiologic technologist and educator whose career centers on training, mentoring, and developing imaging professionals across multiple modalities. Since entering the field in 1995, she has served as an instructor at New York City College of Technology and led educational initiatives, supported staff development, and promoted continuous learning, combining clinical expertise with a strong commitment to teaching and professional growth.

Gina Markle, MHA, RT(R)(M)

Gina Markleis is a seasoned radiologic technologist and educator who has practiced since 2005, specializing in radiography and mammography. She serves as Director of Medical Imaging Geisinger, teaches as adjunct faculty, and leads clinical programs—combining leadership, patient care expertise, and a strong commitment to educating future imaging professionals.

Christy Mauel, MHL, RT(R)

Christy Mauel, Program Director and Professor of Radiologic Technology at St. Johns River State College. With over a decade of clinical experience and a true passion for education, Christy brings a fresh, hands-on approach to teaching that transforms complex radiologic concepts into engaging, memorable lessons.

Chris Lanham, RT(R)(CT)

Chris Lanham is a radiologic technologist and dedicated educator at MUSC Health and Trident Technical College who focuses on training, recruitment, and professional development within medical imaging. He plays a key role in mentoring technologists, supporting clinical education, and strengthening workforce retention by bridging hands-on practice with structured learning environments.

Christine Eckenrod, MS, RT(R)(CT)(MR)

Christine Eckenrod is a veteran radiologic technologist and educator with over 30 years of experience. After a long clinical career in radiography, CT, and MRI, she transitioned into education, serving as a program director at Penn College of Technology, professor, and continuing education instructor, dedicating her career to training students and advancing radiologic technology education.

Michelle Tunick, MS, IDT, RT(R)(M)

Michelle Tunick is a radiologic technologist and educator with experience spanning clinical imaging and higher education. She is the program director Keiser University (Melbourne Campus), where she supports student learning, curriculum development, and professional training, combining real-world radiography expertise with instructional design and teaching.

Lisa Dostick, M.Ed., RT(R)(MR)(M)(CT)

Lisa Dostick is a multi-modality radiologic technologist and educator at Penn College of Technology with extensive clinical experience in radiography, CT, MRI, and mammography. She serves as a clinical supervisor and instructor, focusing on hands-on training, student mentorship, and preparing future technologists through real-world, clinically relevant education.

Jacki Harmon, MSRS, RT(R)

Jacki Harmon, MSRS, RT(R)(ARRT), is a radiologic technologist and educator who serves on faculty within Emory University’s Medical Imaging Program. Her work focuses on advancing radiologic science education, supporting student development, and helping technologists build clinical knowledge and professional competence through structured academic and training programs.

Susan Pritchard, MBA, RT(R)(CT)

Susan Pritchard is a radiologic technologist and educator who advanced from clinical practice into academic leadership. She serves as Program Director of Radiologic Technology at Avera McKennan Hospital & University Health Center, where she leads student training, curriculum development, and mentorship, emphasizing professional growth, patient care, and workforce readiness.

Ericka M. Lasley, MSRS, RT(R)

Ericka Lasley is a radiologic technologist and accomplished educator with over two decades of experience in medical imaging. She serves as Director of Radiology Education at MedStar Washington Hospital Center, where she leads program development, student training, and curriculum design, emphasizing clinical excellence, leadership, and the advancement of future imaging professionals.

Jessica McDonald, RT(R)

Jessica McDonald, RT(R), is a radiologic technologist and educator with Keiser University’s Radiologic Technology program. She contributes to student training through hands-on instruction and clinical guidance, helping develop foundational imaging skills while supporting academic growth and real-world readiness for future radiologic technologists.

Jennifer Turner MSRS, RT(R)

Jennifer Turner is a radiologic technologist and educator who progressed from clinical practice into academic leadership. After working as a registered technologist, she became a clinical coordinator and now serves as Program Director at Gwinnett Technical College, where she leads curriculum development, student training, and clinical education in radiologic technology.

Olga Grisak, MS, RT(R)(CT)

Olga Grisak is a radiologic sciences educator and Program Coordinator at Colorado Mesa University, with a strong focus on advancing student learning and professional development. A former president of ACERT, she is a dedicated advocate for education, technology integration, and growth within the field, demonstrating a career rooted in leadership, passion, and innovation.

Kate Marcouillier MHA, RT(R)

Kate Marcouillier is a radiologic technologist and educator who serves as Program Director of Radiologic Technology at NHTI – Concord’s Community College. With a background in healthcare administration and clinical practice, she leads curriculum development, student training, and clinical education, focusing on preparing future technologists through hands-on, patient-centered learning.

Dr. Gina Capitano, Ed.D., RT(R)

Gina Capitano is a radiologic technologist and academic leader who serves as Department Chair and Associate Professor of Medical Imaging at Misericordia University. She oversees program administration, teaches core radiography courses, and leads clinical education, combining decades of clinical experience with a strong focus on student development and professional mentorship.

Dr. Nicole Cicero-Itle, Ed.D., RT(R)(MR)

Nicole Cicero Itle is a radiologic technologist and educator who progressed from clinical imaging into academic leadership. She serves as a Program Director at Conemaugh Health System, leading curriculum development and student training while promoting educational excellence, mentorship, and professional growth in medical imaging.

Dr. Paula Dietz, PhD, RT(R)(M)

Paula Dietz a radiologic technologist and educator who serves as Program Director at Pima Community College. With a background in clinical imaging and education, she leads curriculum development, student training, and clinical coordination, focusing on preparing future technologists through structured learning, mentorship, and real-world clinical application.

Michelle Noble, RT(R)(MR)

Michelle Noble is a radiologic technologist and educator who serves as Radiography Program Director at Autry Technology Center. With a background in clinical imaging and education, she leads student training, curriculum development, and program operations, focusing on preparing future technologists through hands-on instruction and real-world clinical experience.

Kennth Roszel, RT(R)

Kenneth Roszel is a radiologic technologist and educator who served as Program Director at Geisinger Medical Center and current professor with over 40 years experience. With a background in clinical imaging and education, he focuses on student training, curriculum development, and clinical coordination, helping prepare future technologists through structured learning and hands-on clinical experience.

Leslie Appling MSRS, RT(R)

Leslie Appling is a radiologic technologist and educator who serves as Program Director of Radiologic Technology at North Central Texas College. After beginning her career in clinical practice, she transitioned into education, where she discovered a passion for teaching and now focuses on training, mentoring, and shaping future radiologic technologists.

Jenna Vavra, MSRIS, BA, RT(R)(M)(CT)(MR)

Jenna Vavra is a multi-modality radiologic technologist and dedicated educator who serves as a Clinical Coordinator at Avera McKennan Hospital School of Radiologic Technology. She focuses on student training, mentorship, and clinical education, while promoting professional growth, leadership, and lifelong learning within radiologic sciences.

Dr. Lisa Schmidt, PhD, RT(R)(M), CRT

Lisa Schmidt is a seasoned radiologic technologist, educator, and academic leader with decades of experience in medical imaging education. She has served as a senior Program Director at Pima Medical Institute, overseeing large radiography programs, mentoring faculty, and shaping curriculum, while also contributing to accreditation, policy development, and national radiologic science leadership initiatives.

Jayne Wisniewski, MEd, RT(R)

Jayne Wisniewski, is a radiologic technologist and educator who serves as Clinical Associate Professor and Program Director of Radiologic Technology at the University of Wisconsin–Milwaukee. With over two decades of experience, she has taught core imaging courses, led curriculum development, and mentored students while advancing radiologic science education.

Brandy Caldwell, MA, RT(R)

Brandy Caldwell is a radiologic technologist and educator with over 20 years of experience in medical imaging. She serves as Program Director at West Georgia Technical College, where she leads student training, curriculum development, and faculty instruction, combining extensive clinical knowledge with a strong commitment to education and professional development.

Dr. Amarilys Velez, DBA, RT(R)

Amarilys Velez is a radiologic technology program director at Keiser University and educator with over 18 years of experience in academia. She has led program development, student training, and externship coordination, while also contributing to marketing and academic growth initiatives, demonstrating a strong commitment to advancing radiologic education and preparing future imaging professionals.

Christy Foster-Bollman, RRA, MR, CT, RCDPH-RHB(R)(M)(F)

Christy Foster Bollman is a multi-modality radiologic technologist with credentials in radiography, CT, and MRI who has built her career around education. She specializes in training and mentoring students, contributing to professional development initiatives, and supporting the advancement of radiologic technology through teaching, leadership, and involvement in industry programs. She has spent much of her career at Gurnick Academy (Sacramento Campus).

Christine Smith, RT(R)

Christine Smith is a radiologic technologist, educator, and academic leader who currently serves as Chair of Radiologic Technology and Computed Tomography at Owens Community College. With over 20 years of clinical experience and nearly three decades as an instructor, she has dedicated her career to teaching, curriculum development, and preparing students for success in medical imaging.

Suzanna Haskin, MBA, RT(R)

Suzanna Haskin is a radiologic technologist and educator who serves as Assistant Professor of Radiography and Clinical Coordinator at Baptist Health College Little Rock. She plays a key role in student training, clinical instruction, and curriculum support, helping prepare future technologists through hands-on education and mentorship

Suzy Bullard, MHA, RT(R)

Suzy Bullard is a radiologic technologist and experienced educator who serves as Associate Dean and Program Director of Radiography at Baptist Health College Little Rock. She leads program administration, curriculum development, and student training, with a strong focus on clinical excellence, mentorship, and advancing radiologic technology education.

Dr. Paul J. Crum, RT(R)

Dr. Paul J. Crum is a radiologic technologist, educator, and academic leader who serves as Program Director of Radiologic Technology at Itawamba Community College. With extensive experience in curriculum development and statewide education initiatives, he has contributed to shaping radiography programs and advancing workforce training across Mississippi.

Christa Crowder, BSRS, RT(R)

Christa Crowder, BSRS, is a radiologic technologist and educator who serves as a college instructor at Volunteer State Community College. With a background in clinical imaging, she now focuses on teaching, mentoring, and preparing students for ARRT certification through a combination of classroom instruction and hands-on clinical training.

Katie Muller, BS, RT (R)(M)

Katie Muller is a radiologic technologist and educator who serves as Program Director of Radiologic Technology at Minnesota West Community & Technical College. She advanced from clinical practice to department management and into education, where she now leads curriculum, mentors students, and prepares future technologists through hands-on, clinically focused training.

Dr. Julie Hall, RT(R)

Julie Hall is a radiologic technologist and educator who serves as the Program Director at Roane State Community College. With a background in clinical imaging, she transitioned into education, where she focuses on teaching, student mentorship, and helping future technologists build the knowledge and skills needed for success in medical imaging.

Holly Miller, MEd, RT(R), RSO

Holly Miller is a radiologic technologist and educator who serves as Clinical Coordinator and Associate Professor at Dalton State College. With a background in clinical imaging and radiation safety, she focuses on student training, clinical coordination, and mentorship, helping prepare future technologists through hands-on education and real-world experience.

Christina Smith, EdD, RT(R)(M)

Dr. Christina Smith is a radiologic technologist, educator, and speaker based in Wisconsin who is actively involved in advancing radiologic science education. She contributes to professional organizations and conferences, focusing on radiation safety, clinical decision-making, and improving imaging practices while supporting student learning and technologist development.

Heather Cain, BS, RT(R)(M)

Heather Cain is a radiologic technologist and educator at Baptist Health College Little Rock. After graduating from the radiography program in 2019, she transitioned into education, serving as adjunct faculty before becoming a full-time assistant professor, where she focuses on student training, mentorship, and ARRT exam preparation.

Akshar Kachhia, BS, CIIP, RT(R)

Akshar Kachhia is a radiologic technologist, Enterprise Imaging Analyst, and educator at Gurnick Academy of Medical Arts with expertise in IT and PACS. He combines clinical imaging experience with advanced informatics knowledge to support student training, focusing on imaging systems, workflow optimization, and real-world clinical and technical integration.

Holly Mihaly, M.Ed, RT(R)(CT)

Holly Mihaly is a radiologic technologist and educator who serves as Assistant Teaching Professor at Gannon University. With a background in radiography and CT, she focuses on student instruction, curriculum development, and mentorship, helping prepare future technologists through a blend of classroom teaching and clinically relevant education.