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Jacqueline Guillen De Souza is a seasoned professional in commercial management and sales, currently serving as Partner and Head of Commercial at Celcoin since October 2023. Prior to this role, Jacqueline held the position of Head of Sales at Grafeno from March 2020 to October 2023, achieving significant results such as structuring the commercial area and attaining monthly revenue of 8 million. Jacqueline's career also includes key roles in enterprise sales at Concil and Mastermaq Software, where innovative strategies and client engagement were central to success. With a strong educational background including a Bachelor's in Communication and an MBA in Strategic Marketing Management, Jacqueline has consistently demonstrated expertise in business development, sales strategy, and team leadership across various notable companies.