Dental Hygienists

Kristin Holbrook, RDH

Kristin grew up in a small town in northern Michigan and attended the University of Detroit-Mercy, where she met her husband, Joe. In search of sunshine and a solid start in the working world, they headed south together, calling Columbia, South Carolina their home for three and a half years. Joe recently completed his PhD and secured his dream job at the CDC, and though it was difficult for them to leave their South Carolina friends behind, Kristin could not be happier to be an Atlantan and spending her days providing care in our wonderful office. In her free time, Kristin enjoys decorating, planning weekend trips, and spending time with her husband and their rescue dog, Gracey.

Nicola Pinnock, RDH

Nicola proudly and honorably served for a decade as an active duty member of the United States Armed Forces, completing tours in Kuwait, Korea, Germany, and throughout the United States. She has been a Dental Hygienist for over 17 years. She and her husband, Rich, have been married for over 20 years. They have a son, Richie. Nicola has been member of our Siegel & Dolt team since 2004. She is a gentle and caring dental hygiene professional. We are honored to have her on our team. Nicola received her Bachelor of Business Administration in Managerial Science from J. Mack Robinson College of Business at Georgia State University, and earned her Master of Science in Health Care Informatics from Grand Canyon University. Nicola is also a member of the Association of Registered Dental Hygienists and is very active in community dental support. She spends her spare time boating, deep sea fishing and enjoying many other outdoor activities.

Atlanta Dentist

Susan Olson, RDH

Susan has been with Siegel & Dolt since 2008. She comes to our practice with over 20 years of experience in the dental profession, having worked for general and periodontal practices. Susan is a native Atlantan, but has also lived and worked in New Zealand. She is passionate about helping children and loves to travel abroad. She was able to combine these two with a recent mission trip to the Dominican Republic through Orphanage Outreach. Another one of Susan’s passions is volunteering with the Make-A-Wish Foundation. She brings with her an array of skills and experiences that will ensure a thorough, pleasant and fun visit to our office, for the young and old! When away from the office, Susan and her husband, Darron, love to travel, play tennis, and spend time at the lake with friends and family.

Jennifer Carruthers, RDH

Jennifer is the newest member of our Hygiene team, she has been living in the Atlanta area and working as a Dental Hygienist for over 15 years. She hails from Huntsville, Alabama, “Roll Tide, Roll”! She graduated with honors from Alabama A & M University, where she obtained her Bachelors of Arts in Psychology. Upon graduation from her Dental Hygiene curriculum she was awarded the Hu-Friedy Golden Scaler Award for clinical excellence in Dental Hygiene. Jennifer has a passion for her patients and their dental health. She enjoys educating, building a rapport with and inspiring her patients. In her free time she enjoys hiking, listening to music, spending time with friends, watching football and movies. She is also involved with her church’s community outreach, including feeding and clothing the homeless.

Clinical Assistants

Mackenzie Brock, CDA

We recently welcomed Mackenzie to the Siegel & Dolt Team as a Dental Assistant.  She obtained her assisting certification at Dental Career Institute in Marietta, Georgia.  In her spare time, Mackenzie enjoys spending time with her friends and family at the lake or watching her beloved Georgia Bulldogs.  We have enjoyed Mackenzie’s sparkling personality and we know you will too!

Deana Williams, CDA

Deana is originally from Ohio and moved to Atlanta in 1994. She received her dental assisting training at Choffin Career Center in Ohio and obtained her expanded duties certification from Gwinnett Technical College. With over 15 years of experience in the dental field, she has worked in all phases of dentistry including cosmetic dentistry, restorative dentistry, oral surgery and implant surgery. She and her husband Michael have 3 children: Ashlee, Aaron, and Kayla. She enjoys spending time with her family, travel, and pursuing leadership training.

Atlanta Dentist Dental Assistant

Tomika Dixon, CDA

Originally from Michigan, Tomika arrived in Georgia in 1997. She has been in the dental field since 2000 and has enjoyed spending time with patients and watching how a new smile can change everything for them. In her free time, she spends it with her family and  loves to teach Zumba.

Atlanta Dentist Siegel and Dolt Dental Assistant

Kathy Witcher, CDA

Kathy joined our dental assistant team in September 2019. She attended University of Florida for her Expanded Duties Certification and has over 25 years dental assisting experience. Kathy has two children, Courtney and Brent as well as 2 grandchildren Everly and Maxime. She enjoys Concerts, Art and Travel in her free time.

 Lab Ceramist & Technician

Debbie Pinto, CDT

Debbie is a native Atlantan and brings over 25 years of technical and managerial experience. She attained her CDT in ceramics in 1990 and has continued her education through ongoing study in crown and bridge, all ceramics, CAD/CAM, and various esthetic dental processes and procedures. Debbie has been married for 17 years and shares with her husband two grown children and four grandchildren. Her hobbies are tennis, snow skiing, yoga, traveling, and spending time with friends and family.

Administrative Staff

Jessica Holder, Practice Administrator

Jessica, a Georgia native, is a graduate from Clayton State University, where she earned her bachelor’s degree in healthcare management. Upon graduation, she interned with the management staff at Emory Associates in Stockbridge, Georgia. She recently joined the Siegel & Dolt team as a Practice Administrator. Her southern charm and warm personality puts the most anxious patient at ease.

Jessica and her husband recently purchased their first home, a six-acre project they’ve taken on together. During her free time, she greatly enjoys DIY projects, antique shopping, home improvement ventures, and spending time with her husband, Tyler, and her precious dog, Aspen. She genuinely cares about the well-being of our patients and relishes the opportunity to meet new people.

Kierra Francis, Hygiene Coordinator and Receptionist

Kierra, originally from Virginia, attended Centura College, where she received her Associate’s Degree in Dental Assisting. She moved to Georgia to pursue her love of dentistry. Having both clinical and business experience, she is able to assist patient with any questions or concerns. She is passionate about helping others and can brighten up anyone’s day with her smile and positive demeanor. In her spare time, she enjoys dancing, listening to music, and spending time with her family and friends, as well as her adorable yorkie, Mia.

Dentist Atlanta Siegel and Dolt Benefit Specialist

Jesús Rivera, Benefit Specialist

Jesús came to us all the way from Puerto Rico. He came to the States to attend college while on a baseball scholarship. He brings many years of experience in the Customer Service field (15 of those in the dental field) to Siegel & Dolt. He and his wife Melissa enjoy spending time together, sports, and their three lovable dogs Willow, Slinky, and Monkey!