Jeff Y. currently serves as the Sr. Director of Sustainability at HelloFresh, leading initiatives to provide fresh, healthy meal solutions globally since May 2018. Previously, Jeff held the position of Director of Sustainability at Green Chef and has extensive experience with various NGOs as a volunteer focused on nonprofit leadership in sustainability. Jeff's background includes roles such as Sr. Program Manager at Cardno, Principal Consultant at thinkstep, and Senior Consultant at Five Winds International, showcasing a strong foundation in environmental engineering and sustainability practices. Jeff holds an MBA from the University of Colorado Boulder, an MS in Environmental Science & Engineering from the Colorado School of Mines, and a BS in Chemical Engineering from Lafayette College.