Sergiy Doroshenko earned the Certified ScrumMaster® designation on October 08, 2010 by completing Scrum Alliance's requirements for certification. This certification is valid until October 13, 2012 and entitles Sergiy Doroshenko to all privileges and benefits offered by Scrum Alliance. The certification was signed by David Hicks, the Certified Scrum Trainer® and Chairman of the Board for Scrum Alliance.