Gabriel Sierra

Gabriel Sierra has a diverse work experience spanning various roles and industries. In 2012, they worked as a Sales Representative at Publimarketing. From 2013 to 2016, at Xerox, Gabriel held the positions of Virtual Sales Administrator, where they provided support to healthcare and public sector customers, and Front Line Manager, responsible for leading and managing a team of Client Associates. At HCL Technologies, Gabriel worked as a Program Manager from 2019 to 2020, overseeing projects and initiatives within the Billing Organization. Currently, they are working as a Scrum Master at Cognits.

Gabriel Sierra has a Bachelor's degree in Clinical Psychology from Universidad Rafael Landívar, which they obtained from 2014 to 2016. Gabriel also holds another Bachelor's degree in Communication and Media Studies from the same university, completed from 2007 to 2012.

In terms of additional certifications, Gabriel obtained the Certified Scrum Master certification from Scrum Alliance in April 2020. Gabriel also holds the Team Kanban Practitioner certification from Kanban University, which they obtained in November 2021. In October 2022, Gabriel obtained the Advanced Certified Scrum Product Owner (ACSPO) certification from Scrum Alliance. Gabriel further achieved the Advanced Certified ScrumMaster certification from Scrum Alliance in May 2022. Gabriel is also a Registered Scrum@Scale Practitioner™, having obtained the certification from Agile Education by Scrum Inc.™ in May 2023. Lastly, they obtained the Certified Scrum Product Owner® (CSPO®) certification from Scrum Alliance in April 2021.