之前，她在电流的作用，Maryrose担任总裁和GE照明的CEO，她率领GE最具代表性的企业之一超过12,000名员工在一个令人兴奋的全球转变为世界市场向节能照明解决方案转变。

Before joining Lighting, Sylvester was President and CEO of GE Intelligent Platforms – GE’s high-technology global provider of software, hardware, services and expertise in automation, operations management and embedded computing, serving the energy, water, oil and gas, manufacturing, government and telecommunications industries.

西尔维斯特从1987年开始她的职业生涯GE作为GE汽车在英尺的实习生。印第安纳州韦恩。然后，她在采购操作加入GE照明在1988年。一路上，她举行了越来越多的责任的岗位，如采购总监GE照明欧洲，总部设在匈牙利布达佩斯，1997年，担任全球采购总经理为企业，总部设在克利夫兰。西尔维斯特被任命为总裁兼GE照明系统在亨德森维尔，北卡罗莱纳州的前CEO同时担任总经理，全球高强度放电（HID），在2000年，她当时名称前GE石英总统在2002年，其次是领导角色与2006年GE智能平台。

Sylvester is a member of GE's Corporate Executive Council, GE’s Commercial Council and she was instrumental in helping to launch the GE Women’s Network in 1997. She is Vice Chair of the Board of Governors and Chair of the Lighting Systems Division Executive Board for the National Electrical Manufacturers Association. She serves on the Board for the Foundation Fighting Blindness, the Greater Cleveland Partnership and the United Way of Greater Cleveland. She is also on the Case Western Reserve University Corporate Visiting Committee.

西尔维斯特持有学士学位学位采购和州立鲍灵格林大学生产管理和工商管理硕士学位，克利夫兰州立大学 - 无论是在美国俄亥俄州。