Den is the founder of Team TuneUp, a corporate training and team building company based in Los Angeles. A member of MENSA and UC Regent's Scholar, he's provided corporate training for many Fortune 100 companies, including Google, Microsoft, Boeing, Exxon Mobil, Coca-Cola, Merck Sorono, Philips, Mars, AEG, Humana, and many more. As former marketing consultant for Tony Robbins, T. Harv Eker, Eben Pagan (David DeAngelo) and other self-help gurus, Den specializes in interpersonal dynamics, communication, and behavior styles. He's also an avid adventure enthusiast, former character animator, published author, martial artist, scuba instructor, photographer, and author of numerous blogs including the