Considered one of the most influential psychologists in Spanish[1] and on Latin television,[2] she has worked in Spain, America, Britain, Netherlands, Australia and Mexico, where she currently hosts a television program named Terapia de Shock[3] focused on educating people on psychology, sexology and health habits.

Silvia has written five books about psychology, in which she talks about relationships, sexuality, anxiety and self-esteem – Pregúntale a Silvia…Los secretos de Eva (Ask Silvia…Eve's secrets),[4] Los misterios del amor y el sexo (The Mysteries of Love and Sex),[5] Mis sentimientos erróneos,[6] Detox Emocional[7] and A dos pasos de la locura (Two steps from Madness).

She collaborates with NGOs such as México Vivo for education and HIV prevention and is part of the steering committee of Vive Consciente.

She was a member of the editorial board of Women's Health magazine, collaborates with various NGOs such as Mexico Vivo for HIV education and prevention and belongs to the Vive Consciente steering committee that fights against cervical cancer and the human papillomavirus.

In May 2019, the program "La tercera en discordia"[12] was premiered in Unicable, it is an original idea of Silvia Olmedo,[13] produced by Alexis Núñez Oliva[14] and presented by Rocío Sánchez Azuara,[15] which will address current social issues.