Frank Catalano is best, and most rapidly, initially contacted via email.

(Please do not contact him with public relations pitches. His columns are an interesting outlet for analysis, but only a sideline to the industry consulting day job.)

Via US Postal Service:

Frank Catalano
Intrinsic Strategy
P.O. Box 99641
Seattle, WA  98139

Via voice:

206.659.1228 (Pacific time zone)