 From 2001 to 2002 he was the Executive Director of the Puerto Rico Industrial Development Company, excelling in establishing industrial conglomerates or clusters as starts to the future industrial development of Puerto Rico.In 2002 he returned to the Puerto Rico Manufacturers Association as its Executive Vice President.Currently at the Puerto Rico Manufacturers Association, Riefkohl serves as its Chief Executive Officer, where he oversees the fulfillment of its constitution, rules, and resolutions.