Renaldas is a plastic and reconstructive surgeon with more than 30 years of experience in plastic, reconstructive and aesthetic surgery, a former head of the Division of Oral and Maxillofacial Surgery at Žalgirio Clinic, Vilnius University Hospital. In 1999 – 2004, he was the president of the Association of Plastic and Reconstructive Surgeons of Lithuania. The doctor is the member of international and local professional associations of plastic and reconstructive surgeons.