 He is currently the Director of Research and Development at Ecofiltro in Antigua, Guatemala.Ron Rivera studied under Mr. Mazariegos of Guatemala and was a key proponent and innovator in the field as part of the group to take the ceramic frustum shaped(pot) filter across international borders and helped developing nations to provide cheap high quality potable water.Ron Rivera also worked with Potters for Peace worldwide for the good and benefit of clay workers in developing nations to sustain their businesses.