Professional of photo retouch, illustration and graphic design from the late 70's, now I'm in the training of Photoshop, Illustrator and Graphic Production. Consultant and lecturer with more than 60 seminars and WorkShop issued in Argentina, Bolivia, Brazil, USA, Colombia (via Online) and Paraguay, I teach Photoshop in various educational institutions related to graphic design like DotZero, Image Campus etc. Author of three books on Photoshop, and few of the fascicles of the Graphic Design & Web collection with the PC, published in 25 fascicles.