Meet The Team

Dr. Gio Iuculano

Dr. Gio Iuculano attended the University of Maryland prior to graduating from the University of Maryland Dental School in 1998. His post graduate education includes Hornbrook Group Ultimate Occlusion Program, Great Lakes Education Center CEREC Integration, and Dentistry by Design Technology meets Artistry. Dr. Gio’s post graduate education most recent professional certifications and specialties include training in: bites in malalignments, problems with TMJ’s, patients with muscle pains in the head and neck, advanced airway management  and dental solutions for sleep apnea and craniofacial pain.  Dr. Gio is most enthusiastic about his work with solutions for sleep apnea, as he believes that his work will soon be known as the cure for sleep apnea.  In the interim, the positive impact his work has made on his patients and their family’s lives keeps Dr. Gio thirsty for as much continuing education as he can possibly fit in to his very full patient schedule.

When asked why they keep coming back to see Dr. Gio, the most frequent answer is, “He gives us an outline of the work that needs to be done in an honest and straightforward manner and treats us like we are highly intelligent and want to be informed about all aspects of our dental care.”

Dr. Gio and his beautiful wife Nanci have two twin sons, Jack and Colin.

Associations, Memberships, Honors and Activities

  • American Dental Association
  • Academy of General Dentistry
  • Virginia Dental Association
  • Dental Organization for Conscious Sedation
  • American Academy of Dental Sleep Apnea
  • American Academy of Cranio Facial Pain
  • CEREC Doctors and Scottsdale Center for Dental Education
  • Spear Education (Faculty Club Member)


  • Certified by DOCS for Dental Organization for Conscious Sedation
  • Certified in Advanced Cardiac Life Support
  • Certified in Cardiopulmonary Resuscitation

Charitable Contributions

  • Volunteer at Winchester Free Medical Clinic since 2002
  • Mercy Mission, for Residents of New Orleans

Dr. Alexis Mierzwa


Dr. Alexis Mierzwa graduated from Niagara University in Niagara Falls, NY in 2000 with a Bachelor of Science in Biology. She achieved her Doctor of Dental Surgery in 2004 at the State University of New York at Buffalo. Dr. Alexis completed her General Practice Residency at MLK Hospital in Los Angeles in 2005 where she was voted Resident of the Year.

Prior to joining Winchester Dental Group, Dr. Alexis worked as an associate in Buffalo, NY for four years. Her parents moved to Winchester two years ago, after visiting and experiencing the family community life that Winchester is known for, Dr. Alexis decided she would like to settle in Winchester. In her off-time Dr. Alexis enjoys riding horses and her motorcycle.

Dr. Kelly Richardson

Dr. Kelly Richardson graduated from Virginia Commonwealth University School of Dentistry in 2008 with her Doctor of Dental Surgery degree. Prior to attending VCU she attended George Mason University where she majored in Economics, and graduated Summa Cum Laude.

Dr. Richardson’s post graduate education includes: The Art of Endodontics, Oral Surgery and Mini Implant course. Since graduating Dr. Richardson has volunteered on international missions work in Guatemala, Honduras, Benin, West Africa and Mexico. She currently resides in Fairfax, Virginia where she enjoys reading and spending time with her family.


Dr. Leskiv


Dr. Leskiv graduated in 1998. His post graduate training includes Advanced Education in General Dentistry. Advanced Specialty Education Program in Prosthodontics. Observership in St. Joseph’s Regional Craniofacial Center, Oral and Maxillofacial Surgery Department. MBA Internship Program.

Continuing education: “Endo/ Perio Lesions. Endodontic Retreatment, Excellent and Efficient Endodontics, Essential Endo.”

Community Service: The Heart of Texas homeless coalition annual project homeless connect Waco TX. Hip Hop to health, children dental screening, West home and health fair. He is moving to Winchester from Lorena TX. With his wife and two children.

Dr. Roger Covington (Retired)

Dr. Roger Covington attended the University of Mississippi in Oxford, Mississippi and graduated Bachelor of Arts, Biology in 1975. He obtained his Doctor of Dental Surgery at Emory University in Atlanta, Georgia in 1980. Before joining the Winchester Dental Group Roger worked in Meridian, Mississippi at Private Practice of Dentistry and has worked as an Associate for Purchaser of Practice, Dr. Brock B. Westover as recent as August 2006.

Associations, Honors and Activities

  • American Dental Association
  • Mississippi Dental Association
  • Meridian Area Dental Society, past president
  • Dental Mission Trips: Belize, Brazil, Ecuador

Community Service/Family

  • First Christian Church (Disciples of Christ), Elder
  • -prior positions: Deacon, Chair of Congregation, Sunday School Superintendant
  • Boy Scouts of America, Cubmaster and Scoutmaster
  • Habitat for Humanity Volunteer
  • Rotary Club Member over 25 years

Julie Marrow Office Manager

Julie started her dental career in 1984 in an orthodontic office as an ortho tech. In 1987, she moved to a general dental practice as a dental assistant, in 1989 Julie started at Dr Davis’ office as front desk receptionist/dental assistant and then when Dr. Davis sold the practice to Dr Gio in 2002, Julie became our office manager. Over the years Julie has attended MANY continuing education courses and helped several outside consultants review and improve  the practice. Julie obtained her CDA in 1993. She resides in Inwood, WV with her fiance’ and four dogs. Here she loves to camp and attend Nascar.


Dental Assistants

Administrative Staff