Adam Geller is founder of Edthena, a professional development platform for teachers that uses video for classroom observations. The Edthena team also builds and manages a resource site for edTPA examples and tips. Adam started in education as a science teacher in St. Louis, Mo. After leaving the classroom, he joined the national strategy team of Teach For America where he designed technology impacting teachers across the country. Named to Forbes 30 under 30 and a past Education Ventures fellow at the Kauffman Foundation, Adam is also the founder of Teach For Us.