Our Doctors


Dr. John E. Ross, III, D.M.D.

Dr. John E. Ross, III, D.M.D.Dr. John E. Ross, III grew up in Clemson, SC.  He is a 1974 graduate of Clemson University, earning a bachelors degree in Zoology.  He completed his dental education in 1977 at the College of Dental Medicine of MUSC in Charleston, SC.  Having grown up in Clemson, he chose to return to this area upon graduation and open his own practice.  He has been practicing here since 1977.   

Dr. John Ross stays active in the Clemson community.  He and his wife, Rosemary, are longtime members of Fort Hill Presbyterian Church.  He has served as a senior active member in the Clemson Rotary Club, a board member of the Daniel High Blue and Gold Booster Club, and on Clemson University Alumni National Council.  He has also served as President and Treasurer of the Fort Hill Clemson Club.  Currently he serves as the Treasurer of the Old Stone Church and Cemetery Commission.

Dr. John Ross is a member of the American Dental Association, South Carolina Dental Association, and Tri-County Dental Association (President, 1986-87).  He has served on the Piedmont District Peer Review Board.

Dr. John Ross and his wife Rosemary have two children, Mary Frances and Lauren.

Dr. Mary Frances Knapp, D.M.D.

Dr. Mary Frances Knapp, D.M.D.Dr. Mary Frances Knapp was born and raised in Clemson, SC.  She received her bachelors degree in Biological Sciences from Clemson University in 2004.  She went on to complete her dental training at the College of Dental Medicine of MUSC, graduating in 2009.  Upon graduation Dr. Knapp joined her father in practice.  She has been with Calhoun Clemson Dental Associates since August of 2009.

While in school, Dr. Knapp was a member of the American Student Dental Association, American Association of Women Dentists, and MUSCs Dental Student Alumni Council.  She is currently a member of the American Dental Association, South Carolina Dental Association, Piedmont District Dental Association, and the Tri-County Dental Association.

Dr Knapp and her husband, Austin, reside in Greenville, SC.