Contact John Haskell aka Dr. Revenue Here you get to speak to me, John Haskell... The Doctor..! You can call me, email me, or even fax me if you like. No snail mail here. If you want or need help, you get it here... quickly. If I’m not here to actually receive your call... I’ll call you back... Quickly... Usually no later than the next business day. Below is the information you’ll need to contact me.