Dr. Tsigarida was born and raised in Greece, where she completed her dental education at the National and Kapodistrian University of Athens, earning her Doctorate of Dental Surgery (DDS) in 2008. After finishing her training, she moved to the United Kingdom to gain experience as a general dentist. A year later, she advanced her career by enrolling in the Periodontology program at The Ohio State University, where she was appointed Chief Resident. In 2013, she obtained both a Certificate in Periodontics and a Master of Science degree.

Throughout her training and professional journey, Dr. Tsigarida has been dedicated to advancing the field of dentistry, particularly through her research on the microbiology of peri-implantitis. Her findings have been published in peer-reviewed journals, and she has received multiple accolades at international research conferences. Dr. Tsigarida is a diplomate of the American Board of Periodontology and actively participates in various national dental organizations, including the American Academy of Periodontology, the Academy of Osseointegration, the International Team for Implantology (ITI), and the International Association for Dental Research. She currently serves as a Board Trustee for the American Academy of Periodontology in its 7th District.

From 2013 to 2015, Dr. Tsigarida served as an Assistant Professor at the Kornberg School of Dentistry at Temple University. From 2019 to 2025, she has held the position of Program Director and Associate Professor in the Department of Periodontology at the Eastman Institute for Oral Health, where she currently serves as Chair. In addition to her administrative and teaching responsibilities, she maintains a faculty practice that focuses on Periodontics and Dental Implants.