Reynerio E. Pérez-Rentas/Info-Systemas has more than 30 years of experience in systems consulting and developement. Initally dedidacated to scientific (econometrical and statistical analysis programming) . He began working at the Center for Comercial Studies at the University of Puerto Rico later in the consulting firms Logic, Inc. and Investigación y Planificación de Sistemas, Inc. After a short contract with the Department of Natural Resources he went to work with the Metropolitan Bus Authority (AMA) and directed the Itinerary Department staffed with over 27 employess. Ending this phase of his professional life in the Puerto Rico Planning Board's Infosistema Project as head systems analyist.
By 1978 he co-founds the firm Cybernetica, Inc. dedicated to the design and development of custom accounting and comercial systems and later his own firm of Accounting System Services. With Accounting Software Services he produces the accounting package Reynerio Software that at its apex counted with more than 150 installations all over Puerto Rico. In 1986 Accounting Software Services merges into the Software Deparment of Systronics, Inc. and Reynerio Pérez becomes Manager of the Software Department for Systronics, Inc..
In 1995 he leaves Systronics and founds Info-Systemas were he adds Geogaphic Information Systems to his expertise and developes various applications in this area for banking and goverment institutions. Info-Systemas is dedicated to the development of customized comercial systems, maintenance and consulting in networks and in general MIS issues as well as Geographic Information Systems.