HUGO RIVERA is an ISSA Certified Personal Trainer, engineer and international best selling fitness author with over 20 years of bodybuilding experience. He is also the New York Times About.com Guide to Bodybuilding and continues to educate others on how to use bodybuilding in order to achieve their goals. Hugo is the author of Hardgainers’ Bodybuilding Handbook as well as the co-author of the best selling Body Sculpting Bible for Men and Body Sculpting Bible for Women.