جامعة بيت لحم
Returning to Palestine in 2008, he became a part-time professor and thesis advisor at Bethlehem University while also teaching Advanced Molecular biology as an Adjunct Professor with Birzeit University. In 2014 he founded the Palestine Museum of Natural History and Palestine Institute of Biodiversity and Sustainability with Bethlehem University using $250,000 in funding donated by he and his wife. Dr. Qumsiyeh serves as director of both institutions and has focused their programs on outreach, empowerment, and education efforts with great success.