Executive Team

Theodora Retsina - CEO

Theodora Retsina, Ph.D.

Chief Executive Officer

Dr. Retsina founded American Process in 1995 and has led the company’s growth and diversification efforts. Dr. Retsina has more than twenty years of experience in executive management, engineering, process development and operations. Prior to founding American Process, she was the International Project Manager for Parsons and Whittemore Inc., a global design-build-operator of pulp and paper mills, where she was responsible for project construction and process development and optimization. Dr Retsina is a licensed Professional Engineer (PE) and the author of over 30 scientific publications, patents, and patents pending. She received a PhD in Chemical Engineering from Imperial College, University of London.

Steve Rutherford - COO

Steve Rutherford

Chief Operating Officer

Steve Rutherford has more than 25 years of executive management experience in engineering, product development, project execution, construction and operations. Prior to joining American Process in 1997, Mr. Rutherford served as Engineering Vice President of Parsons & Whittemore Inc. where he was responsible for implementation of projects totaling over $1 billion for company owned pulp and paper mills in the USA, Canada, and Spain. He received a Masters of Business Administration from the University of Alabama and a Bachelor of Science in Electrical Engineering from the City University, London, England. He is a licensed Professional Engineer (PE).

Mikhail Iakovlev, D.Sc.

Mikhail Iakovlev

Chief Science Officer

Mikhail Iakovlev has over 14 years of experience in chemistry and technology of lignocellulosics conversion into cellulosic fibers, biofuels, biomaterials and commodity chemicals. He has been with American Process for over 6 years leading research efforts on implementation of API’s technologies for conversion of lignocellulosics into the value-added products. He received a D.Sc. degree in Biorefineries from Aalto University, Finland. He is the author of over 35 scientific publications, patents, and patents pending in the area of biomass pretreatment, fractionation, hydrolysis and fermentation.

Sophia Rouzinou - DEI

Sophia Rouzinou

Technical Director, Process Integration

Ms. Rouzinou has over 22 years experience with American Process in process design, modeling, and optimization. She is also an expert in using Pinch Analysis for energy integration. Ms. Rouzinou received a MS in Process Integration from the University of Manchester Institute of Science and Technology in the United Kingdom and a degree in Chemical Engineering from the University of Patra in Greece.