Maria Zenina in 1990 graduated with honors from Moscow State University of Medicine and Dentistry with a degree in Medicine. In 1990-1992 studied ophthalmology in the clinical residency in S. Fyodorov eye microsurgery federal state institution. In 2001 defended PhD thesis on ‘The use of drainage from collagen copolymer in the surgical treatment of primary open-angle glaucoma’.
Worked as an eye surgeon in the lens pathology department, then in the international department. In 2002 – 2005 worked in the ophthalmology department of the multidisciplinary clinic ‘Medicina’. Since 2005 to the present working in the Konovalov eye center as an ophthalmologist, chief of medical stuff, laser surgeon.