格雷格带来了超过25年的销售，市场营销和业务开发经验的他在GreenBiz作用，他领导的营销和创收战略。Prior positions include Chief Revenue & Marketing Officer at Code for America and at leadership roles at UBM, where he developed leading global events and digital media products, including running a $100 million global event portfolio and collaborating with O’Reilly Media on the successful launch of the Web 2.0 and Gov 2.0 event brands.