Gerald Gremmen is an accomplished sales manager with extensive experience in the healthcare sector and system integration. Holding the position of Manager Sales Healthcare at Yourizon since September 2024, Gremmen previously served as Interim Manager for Gremmen Interim Management, focusing on change management and organizational transitions since March 2017. Between May 2018 and September 2024, Gremmen managed sales at Zetacom, enhancing collaboration and processes within organizations, particularly in healthcare. Earlier roles include Manager Sales at Unica, where Gremmen implemented new sales methodologies and nurtured key client relationships, and a long tenure at KPN with various management roles overseeing sales in education and large business markets. Gremmen's educational background includes specialized training in sales and account management from prestigious institutions such as Erasmus University Rotterdam.
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