Doug HamiltonDoug Hamilton is an educator turned sustainability leader, currently working as a sales director in the solar energy field. He's taught in both Japan and the U.S., written about energy policy, contributed to legislation, and helped launch a new middl school science curriculum approved by the state of California. He holds degrees from UC Berkeley and Stanford.Doug brings a love of teaching, a head for systems, and a rock & roll spirit to everything he does - from battery recycling policy to late-night band rehearsals.The advice he wishes he'd gotten: What a credit score is - and how to use a credit card without wrecking that score. Read More Read Less