Marilyn Siderwicz is an experienced professional in the world of web development with a strong background in standardization efforts. She currently works with the World Wide Web Consortium (W3C), an organization dedicated to developing web standards and technical specifications to ensure the long-term growth of the web. Throughout her career, Siderwicz has been dedicated to helping make the web a more accessible and user-friendly space. Her expertise includes web accessibility, user experience design, and web standards. Siderwicz is a respected member of the web development community and continues to contribute to the growth and evolution of the web.