CEO, Ripple Foods Neil Renninger Dr. Neil Renninger is a Co-Founder of Ripple Foods. Dr. Renninger co-founded Amyris, Inc. in 2003 and served as its Chief Technical Officer from 2008 to 2013. Dr. Renninger also sat on the Board of Directors at Amyris, Inc., from 2003 to 2008, and from 2011 to 2013. He has a cross-disciplinary understanding of both the micro-world of strain engineering and the macro-world of chemical engineering and has been recognized as one of the world’s top innovators under the age of 35 by Technology Review Magazine. Dr. Renninger holds a Master of Science degree in Environmental Engineering and a Doctor of Philosophy degree in Chemical Engineering from the University of California, Berkeley, and a Bachelor of Science degree in Chemical Engineering from the Massachusetts Institute of Technology.