Anim-Mensah was born in Takoradi Ghana to two Kwahu parents. His late father, Kwame Anim-Mensah, was both a businessman and cocoa farmer while his late mother Kate Animah was a homemaker. He is one of thirteen children. He had his primary education at the Young Christian Preparatory School in Sekondi-Takoradi Ghana; and his secondary education at the GSTS where he obtained his Ordinary Level ("O") and Advanced Level ("A") certificates in Science and Technical education.
He obtained his PhD, MSc., and BSc. in Chemical Engineering from the University of Cincinnati-Ohio, and also studied at North Carolina A&T State University, and the KNUST, respectively. Some of his numerous specializations include Technology, Operations and Value Chain Management Capability from the Massachusetts Institute of Technology Sloan School of Management.  Intellectual Property Law & Policy from the University of Pennsylvania, Business Strategy from the University of Virginia Darden Business School, Global Energy Business from the University of Colardo, Marketing Mix Implementation from the IE Business School Madrid - Spain and Executive Certificates in both Advanced Project Management & Project Leadership from the University of Dayton - Ohio.
Anim-Mensah started his career with an internship in 1995 at the West African Mills Co LLC (WAMCO) and in 1997 at the Ghana Cement Works all in Takoradi Ghana. He obtained his  chemical engineering bachelors degree around 1998 at the KNUST and then taught Science & Math at the Takoradi Secondary School in Takoradi Ghana early in 1999 as part of a required one year National service. At the end of his National Service he joined Ghanas Tema Oil Refinery as a Process & Environmental Engineer in early 2000, processing crude oil and managing its waste products. He then left Ghana after a year to North Carolina to pursue his masters degree in Chemical Engineering specializing in liquid carbon dioxide (liq-) separation and recovery from process solutions without phase change enhanced by micelles in a crossflow microfiltration. In 2003 he enrolled at the University of Cincinnati-Ohios PhD chemical engineering program specializing in membrane science & technology specifically assessing solvent resistant polymeric nanofiltration membranes for small molecule purification and solvent recovery for re-use and other specialties.
He has worked at Procter & Gamble Cincinnati-Ohio, Siemens Water Technologies-Colorado, Veolia Water Technologies-Ohio, and currently works as the Engineer Manager with ITWs Food Equipment Group in the Dayton, Ohio area. He obtained his PhD, MSc and BSc in Chemical Engineering from the University of Cincinnati-Ohio and studied at North Carolina A&T State University, Executive Certificate Construction Project Management from Columbia University, NY and then KNUST. He is a recipient of the Illinois Tool Works Distinguished Patent Fellow Award.
Recipient of 2023 Black History & Lifestyle award, 2022 Award for Contribution Towards the Membrane Science & Technology Field.