Faculty Practice Providers

Ayman Ahmed

Dr. Ayman Ahmed

Prosthodontics/General Dentistry

Dr. Ayman Ahmed received his dental degree with honors from Mansoura University, Egypt. He served as Prosthodontic faculty at a dental school in his hometown where he also had a private practice. Dr. Ahmed went on to finish his Masters before starting his Ph.D. in a joint supervision program between Mansoura University and University of Texas - MD Anderson Cancer Center. Dr. Ahmed pursued training in the US through a Prosthodontics residency program at the University of Iowa and became board certified in Prosthodontics in 2014, the same year he joined Marquette University School of Dentistry as an Associate Professor and the Pre-doctoral Program Director of Prosthodontics and Biomaterial. Dr. Ahmed’s research focus is on implants and head & neck cancer. He sees patients in Faculty Practice on Monday mornings and Thursday afternoons.

Flavio de Alcantara Camejo

Dr. Flavio de Alcantara Camejo

Oral Surgery

Dr. Flavio de Alcantara Camejo is native of Rio de Janeiro, Brazil, and speaks Portuguese and English. He earned his dental degree at Federal University of Rio de Janeiro and then moved to Curitiba where he did his Oral and Maxillofacial Surgery Residence Program in Evangelic University Hospital of Curitiba. Dr. Camejo also earned his Masters and Ph.D. in Health Sciences at Pontifical Catholic University of Parana and published numerous scientific papers. He worked at two universities in Brazil before moving to Milwaukee in 2019 to join Marquette University as a Clinical Assistant Professor. Dr. Camejo works Monday afternoons in Faculty Practice.

Arndt Guentsch

Dr. Arndt Guentsch

Periodontics/General Dentistry

Dr. Arndt Guentsch received his Periodontics training and degree in Germany. He earned his degree as a Doctor of Dental Medicine and a Ph.D. from the Friedrich-Schiller-University Jena in Germany. He then went on to attain his Masters in Health Business Administration from the Friedrich-Alexander-University Nuremberg. Dr. Guentsch is Board Certified from the German Society of Periodontology and active member of the American Academy of Periodontology. He was faculty at the University Hospital in Jena, Germany before joining Marquette in 2015 where he is currently the Chair of the Department of Surgical Sciences and a Professor of Periodontics. Guided implant placement and digital dentistry are research interests he passionately combines with patient care to provide the best service using the latest evidence for his patients. Guentsch welcomes patients to Faculty Practice on Tuesday mornings and Friday afternoons.

Cem Gungor

Dr. H. Cem Gungor

Pediatric Dentistry

Dr. H. Cem Gungor is a native of Turkish Republic. He graduated with his D.D.S. from Hacettepe University in Ankara, Turkey, where he also obtained his Ph.D. in Pediatric Dentistry. As a Professor of Pediatric Dentistry at the university, Dr. Gungor also researched and published studies related to the field of pediatric dentistry before moving to Milwaukee in 2019. He is currently an Associate Professor of Pediatric Dentistry at Marquette, a member of the International Association of Dental Traumatology (IADT) and serves as an associate editor to the journal, Dental Trumatology. Dr. Gungor enjoys working with children on Monday afternoons and Friday mornings to achieve bright, smiling faces.

Mohamed Ibrahim

Dr. Mohamed Ibrahim


Dr. Mohamed Ibrahim (B.Ch.D., M.S., D.M.D., Ph.D.) is currently an Associate Professor of Endodontics and Director of Predoctoral Program in Endodontics at MUSoD. He received his dental degree with honors, specialty training and MS in Endodontics and Conservative Dentistry from Mansoura University, Egypt and his Ph.D. in Endodontic Microbiology via a joint supervision program between Mansoura University, Egypt and Universität zu Köln, Germany. Dr. Ibrahim also has a doctoral degree from Universität zu Köln in the field of Hydrodynamic Disinfection in Endodontics. He is a member of the American Association of Endodontics and the American Dental Education Association. His current research focuses on factors affecting clinical outcomes for nonsurgical and surgical endodontic treatment and factors that affect the biomechanical response of natural teeth. Dr. Ibrahim sees patients on Fridays in Faculty Practice.

Jeffrey Janosik

Dr. Jeffrey Janosik

General Dentistry

Dr. Janosik received his Bachelor of Science degree from Marquette in 1974 and went on to graduate from MUSoD with his D.D.S. in 1978. Dr. Janosik practiced in Racine for 40 years while also committing to the future of dentistry by teaching part-time. He did this for several years before joining MUSoD as full-time faculty in 2019. Dr. Janosik’s interests place high importance on metal free restorations, sleep apnea and facial aesthetics. Dr. Janosik is honored to be at Marquette making a difference for students, patients and staff. He welcomes patients on Thursdays in Faculty Practice.

Moe Kassab

Dr. Moe Kassab

Periodontics/Implant Dentistry

Dr. Moe Kassab graduated Dental School in 1996 and then attended the State University of New York at Buffalo where he received his Specialty Certificate in Periodontology and a Masters in Oral Biology in 2001. He moved to Boston to work as Faculty at Harvard School of Dental Medicine and participated in clinical dental research at the Forsyth Institute with a focus on soft tissue grafting and esthetics around natural teeth and dental implants. Dr. Kassab is an active member of the American Dental Association, Wisconsin Dental Association, the Greater Milwaukee Dental Association, the American Academy of Periodontology and was a recipient of The American Academy of Periodontology Educator Award for Outstanding Mentoring in Periodontics. He has published many articles on periodontics and implant dentistry, is a reviewer for various dental journals and lectures nationally and internationally. Dr. Kassab is a Clinical Professor and recently celebrated his 16th anniversary at MUSoD. He works at the Faculty Practice on Wednesday afternoons and Thursday mornings with an emphasis on Periodontology and Dental Implants.

Yasser Khaled

Dr. Yasser Khaled

Oral Medicine and TMD/Orofacial Pain

Dr. Yasser Khaled is a specialist in Oral Pathology, Oral Medicine and TMD/Orofacial Pain. He has a B.D.S. and a M.D.Sc. in Oral Pathology from Ain Shams University, Egypt, a MMSc in TMD/Orofacial Pain from the University of Alberta, Canada and finally, a GPR and Oral Medicine Certificate from Carolinas Medical Center, USA. Dr. Khaled has been awarded hundreds of certificates from around the world, including the Lester Burkett award from the American Academy of Oral Medicine for the best research in 2017. He is currently working as an Assistant Professor at Marquette and is also an Adjunct Faculty for the Medical College of Wisconsin and member of the CODA review committee. Dr. Khaled sees patients on Monday mornings and Thursday afternoons in the Faculty Practice.

Vrisiis Kofina

Dr. Vrisiis Kofina

Periodontics/Implant Surgery

Dr. Vrisiis Kofina, a native of Greece, received her dental training at the University of Athens. Upon graduation, she worked in private practice in Athens before she pursued her passion for Periodontics. Dr. Kofina received her periodontal training and Masters at The Ohio State University. She is an Assistant Professor of Periodontics and the Director of the Graduate Periodontics Program at Marquette. She is certified in Periodontology and Implant Surgery by the American Board of Periodontology and is an active member of the American Academy of Periodontology and American Association of Dental Research. Dr. Kofina is available in the Faculty Practice on Tuesday afternoons and Wednesday mornings.

David (Dawei) Liu

Dr. David (Dawei) Liu


Dr. Dawei Liu received his D.D.S. and M.S. from China Medical University, his Ph.D. from Peking University in China and M.Sc. Orthodontics at Marquette University. Dr. Liu worked as an Assistant Professor in the Department of Orthodontics, Arhus University, Denmark before moving to the US, where he continued his academic career in the Departments of Orthodontics at Indiana University and then Marquette University, where he is currently the Orthodontic Program Director and Research Director. Dr. Liu is an ABO certified orthodontist and an active member of the Angle Society, AAO, ABO, EOS, Tweed Foundation, the American Society of Bone and Mineral Research and the Orthopedic Research Society. In addition, Dr. Liu is an ABO board examiner and a member of the editorial board of American Journal of Orthodontics and Dentofacial Orthopedics. Dr. Liu sees patients of all ages on Monday and Thursday mornings in Faculty Practice.

Ximena Meza

Dr. Ximena Meza

General Dentistry

Dr. Ximena Meza-Baertsch is a General Dentist from Colombia with 26 years of experience. She graduated from dental school in 1993 and then completed a fellowship in Aesthetic Dentistry. She worked in private practice for 14 years before moving to the United States. In 2008, Dr. Meza-Baertsch completed an Advanced Education in General Dentistry Program at Marquette University and is currently the Director of Marquette’s Community Dental Clinic where she teaches both undergraduate and postgraduate students. She has also served as the interim director of the AEGD program at MUSoD since 2016. Dr. Meza-Baertsch welcomes patients on Wednesdays at Marquette University Faculty Practice and is fluent in English and Spanish.

Conrad Nenn

Dr. Conrad Nenn

General Dentistry

Dr. Conrad Nenn is a 1978 graduate of Marquette University School of Dentistry. He owned and operated a dental practice in Wild Rose, Wisconsin for 26 years. In May of 2006, Dr. Nenn took a full-time faculty position at Marquette University School of Dentistry as a Comprehensive Patient Management Group Leader. Dr. Nenn is a clinical associate professor and became the Department Chair of Clinical Services and Clinic Director in 2018. Dr. Nenn is a general dentist and provides patient care in the School of Dentistry’s Faculty Practice on Monday afternoons.

Ghada Nimeri

Dr. Ghada Nimeri


Dr. Nimeri is an Orthodontist who received her Certificate of Orthodontics and M.S. in science from University of Alabama at Birmingham. Prior to that, Dr. Nimeri received her Dental Degree from Karolinska Institute in Sweden, where she also completed her Ph.D. in Biointerface Biology and Biophysics. Dr. Nimeri is an assistant professor at Marquette University. She received the Albert P. Westfall Memorial Teaching Fellowship Award in 2017 from the American Association of Orthodontics. Dr. Nimeri earned a Diplomate status from the American Board of Orthodontics in 2018. Dr. Nimeri welcomes patients of all ages on Tuesdays in Faculty Practice.

Chris Okunseri

Dr. Chris Okunseri

General Dentistry

Dr. Christopher Okunseri received his dental training at the University of Benin, Nigeria. He worked for several years in Nigeria before receiving a Masters in Dental Public Health from Eastman Dental Institute. Dr. Okunseri moved to the United States and completed a residency program in Dental Public Health at Albert Einstein College of Medicine of Yeshiva University in New York. Dr. Okunseri is certified by the American Board of Dental Public Health, is President of the American Board of Dental Public Health and an active member of various associations. He is passionate about research for the underserved, disadvantaged and racial/ethnic minority populations and works tirelessly to secure funding for several foundations. Dr. Okunseri is a professor and Director of the Predoctoral Program in Dental Public Health at Marquette University’s School of Dentistry and an adjunct professor at the Medical College of Wisconsin. He can be found engaged in patient care on Tuesday afternoons and Wednesday mornings in Faculty Practice.

Ellen Pelz

Dr. Ellen Pelz

General Dentistry

Dr. Ellen Pelz earned her Doctorate of Dental Medicine from Tufts University in Boston, Massachusetts. After graduation, she returned home to Chicago, to pursue a General Practice Residency at Northwestern University. She worked in private practice for several years in the Chicagoland area prior to moving to Milwaukee where she practiced dentistry on the east side. Dr. Pelz joined the ranks of full-time faculty at Marquette in 2019 as a group leader on the clinic floor. She is an active member of the American Dental Association, Alpha Omega Fraternity and Third Coast Study Club. Dr. Pelz sees patients on Monday mornings in Faculty Practice.

Soni Prasad

Dr. Soni Prasad

Prosthodontics/General Dentistry

Dr. Soni Prasad is an Associate Professor and Assistant Director of the Postgraduate Program in Prosthodontics at Marquette University School of Dentistry. She received her bachelor’s degree in dental surgery from India, her certificate in Prosthodontics and Master’s in Oral Sciences from the State University of New York at Buffalo before completing a two-year implant fellowship program at the same University. Dr. Prasad is a Diplomate of the American Board of Prosthodontics, a Fellow of the American College of Prosthodontists and serves as an active member of several national prosthodontic organizations. Dr. Prasad joined the faculty at Marquette University School of Dentistry in 2010. She founded the preclinical implant curriculum at Marquette and directed the preclinical implant course for several years before joining the postgraduate prosthodontic program as Assistant Director. Dr. Prasad has published in several peer-reviewed journals and her research interests focus on implant treatment outcome measures and risk factors associated with peri-implantitis. Dr. Prasad maintains a busy prosthodontic practice at Marquette University Faculty Practice on Tuesdays.

Yeshwant Rawal

Dr. Yeshwant Rawal

Oral Pathology

Dr. Yeshwant Rawal is a Professor in the Department of Surgical Sciences at the Marquette University School of Dentistry. He is a Diplomate and Director of the American Board of Oral and Maxillofacial Pathology and a Fellow of the American Academy of Oral and Maxillofacial Pathology. In his 30 years of experience in Oral & Maxillofacial Pathology, Dr. Rawal has held several national level leadership positions in the field of Oral & Maxillofacial Pathology. In addition to his academic and teaching activities, Dr. Rawal is also a reviewer for many journals and was on the editorial board the North American Society of Head and Neck Pathology. He also maintains scholarly connections through invited presentations, CE courses and over 65 publications and abstracts. Dr. Rawal shares his knowledge with patients on Wednesday afternoons in Faculty Practice.

Jorge Velasquez

Dr. Jorge Velasquez

General Dentistry

Dr. Jorge Velasquez is Colombian by birth, but grew up in Silver Spring, Maryland and is fluent in English and Spanish. He returned to Colombia to complete his degree in Dentistry at the Autonomous University of Manizales. After working as a General Dentist, he furthered his education by attending the Prosthodontic Program in Guadalajara Mexico and became Faculty in the Autonomous University of Guadalajara as Director of the Fixed Prosthodontic Department. Dr. Velasquez operated a successful private practice and was offered a Directorship of a Dental Hygiene program in Ft. Lauderdale which made Florida home for several years. He joined MUSoD as Full-Time Faculty in 2018 where he assists students in designing best treatment options for complex cases. Fridays are dedicated to Faculty Practice where he delivers care to his patients for all their restorative needs.