Hi, I'm Mark Johnson.  Email: markj at markj.net | Twitter: @markjnet |  LinkedIn 

I'm 1/2 of  Focused Apps LLC with Rob Hunter in San Francisco CA. We're the makers and publishers of mobile games and apps on iOS. We got our start in 2008 when the app store first opened, since then our apps have been downloaded over 30million times. Our current apps include:

Feel free to drop me a line or look me up at GDC, Renaissance.io, or any of the bay area meet ups for app development & marketing. We no longer develop apps for other people, but I can put you in touch with colleagues who do. 

Mark Johnson