Keith Biggs , who started the expat invasion of Cali? sort ran the town of Cali late 90s , early 2000. Had his business in Cali, high profile gringo in Cali.
Ed Beckwith "The Father of the Agency Scene" in Cali?
Luz Amparo of Latin Best?
There was a gringo who wrote daily about his living in Medellin , around 2002-2005. then dropped off the message boards. I think his name was Paul "Tinto", nice guy.