About Our Staff

Lynne Powel


Lynne began working with Dr. Tosto in November 2019. Before that, Lynne worked with her longtime dental employer in New England. She has helped local offices since moving to Savannah five years ago.

Lynne grew up in Ohio and Connecticut and raised her children in Massachusetts. Lynne enjoys her patients, outdoor activities (ran the Savannah Rock & Roll Half Marathon), spending time with friends, reading and gardening.

Shellie Rowell


Shellie began working with Dr. Tosto in 2016 as a Dental Assistant. She is a South Carolina native. Shellie has 21 years’ experience as a Dental Assistant.

Shellie enjoys going to the beach, boating and spending time with her family and friends.

Xashclift “Ashley” Guevara


Ashley joined Dr. Tosto’s dental team in 2020 as a Dental Assistant. She is a South Carolina native. Ashley has been a Dental Assistance for two years.

Ashley enjoys spending time with her son King and family. She also enjoys shopping and going out.

Valerie Towner


Valerie joined Dr. Tosto’s team in February 2020 as an Administrative Assistant. She has been in the healthcare field for over 15 years. Valerie is a Maryland native who moved to Savannah several years go.

Valerie enjoys spending time with her boyfriend and fur baby Dory whom they rescued last year. She enjoys cooking, entertaining, watching the Baltimore Ravens, the beach and has a green thumb.

Angela Brautigam


Angela joined Dr. Tosto’s office June 2020 as an Administrative Assistant. She was born and raised in Los Angeles California and has been in Georgia for 4 years. Angela is a baseball fanatic (Go Dodgers!), she enjoys running 5ks and going to the beach. You can catch Angela and her boyfriend gallivanting around Downtown Savannah.

Vivian Constantine (Viv)


Vivian started with Dr. Benson over 15 years ago. She has now embraced working side by side with Dr. Tosto. She has been working as a Dental Hygienist for the last 19 years and loves making people smile. She takes a positive approach to life and always strives to be the best that she can be.

She is loyal, loving, dedicated, confident and of course fun. Vivian loves to do Pilates and yoga in her spare time. She loves to cook and spend time with her Husband and family. She also enjoys her fur babies.

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