Michael is a nationally recognized expert on green design and building with over 23 years of experience. He writes for various publications and trains and speaks at events around the country. Michael is the owner of OA Design-Build, an award winning and nationally celebrated firm. He also serves as CEO of Verified Green Inc. which consults with local government, product manufacturers, suppliers, builders and architects on green buildings. Michael led the effort to develop GreenStar Home Certification, and was past president of the national GreenStar Alliance.