Sebastian Keller was born 1984 in Rosenheim, Germany. He already started to work during his time at the University of Applied Science in Rosenheim. He studied Computer Science and worked for two companies in Munich as a Software Engineer. One quite big company an one small company. In the small company he came in touch with the agile mind-set the first time. Especially working close together with the customer with a small team where everybody had equal rights and the team was self-organized.
After he graduated he became a teacher at a local school for computer science until he started his master’s degree in Software Engineering. During that time he organized the first Agile Days in Augsburg, Germany. He worked for a science project in Singapore where he extensively tried and fell in love with pair-programming. So Sebastian has seen a few different companies, bigger, smaller, industrial and academic. For him it was crystal clear: the next step is a small, agile company.
Since 2012 Sebastian works at it-agile GmbH. He started as a Scrum developer in a Scrum team and soon become a CSM, CSPO and CSD. He started to teach courses about Scrum, Kanban and agile development practices and is a CSD-Trainer now. He worked for companies as an agile coach in the roles of a Scrum-Master, technical coach, change agent, management coach and personal coach.