Don Geddis
My personal home page


Career
DatesPositionLocation
2002-nowUnemployedS.F. peninsula, CA
2001-2002
2000-2001
VP of R & D
VP of Technology, Shopping
Overture
GoTo.com
1999-2000
1996-1999
Founder Cadabra
Tesserae Info Sys
1987-1995 Ph.D. (and Master's) in
Artificial Intelligence,
Computer Science
Stanford University
1984-1987 B.S., Computer ScienceStanford University


Martial Arts

In 1987 I started practicing Aiki Jujitsu in the self-defense club at Stanford University. In 1996 I was promoted to third-degree black belt.

In 1994, after watching Royce Gracie win the second Ultimate Fighting Championship, I started training in the Gracie style of Brazilian Jiu-Jitsu, the bulk of it at Ralph Gracie's academy in Mountain View. On May 6, 2008 Ralph promoted me to black belt in BJJ. I occasionally compete in Brazilian jiu-jitsu tournaments, and can now sometimes be found training at Ralph's academy in San Francisco.

I wish there was a disease where you're afraid of clouds, because I think I could cure it. First, you sit the patient down and have a long personal talk. After that, I'm not sure, but maybe you could throw some water in his face or something.

Deep Thoughts, by Jack Handey


Bets

Inspired by LongBets.Org and Julian Simon's 1980 bet with Paul Ehrlich on the future price of five metals.

In particular, I find it useful -- when people have a strong disagreement in their predictions about future world events -- to quantify the confidence of their assertions by associating it with hard cash. If nothing else, it causes all parties to take stock of what they actually believed at the time, and then avoid various kinds of experimental bias by actually following through to see what the outcome turns out to be.

       

Open Bets

US President Obama (4/24/2008). Don: Obama will win the US Presidential election held on November 4, 2008. Bill ("gichoke"/"sportfighter") Mahoney: Obama will not win. Stakes: $100. Public declaration on the Usenet newsgroup rec.martial-arts.

Peak Oil (4/15/2008). Between 2008 and the year 2030, if the world's annual production of crude oil ever meets or exceeds an average of 75 MBD, then Win Ark wins. If the annual crude oil production between 2008-2030 is always less than 75 MBD average, then Don wins. Stakes: the monetary equivalent of the closing price of a barrel of US Texas crude oil at the end of the year when the bet terminates. More details.

UFC: Tito vs. Ryoto (5/24/2008). Lyoto Machida is an MMA fighter with a karate background (and also a BJJ black belt). He's fighting the ground & pound wrestler Tito Ortiz, who was the #1 ranked light-heavyweight a few years ago. Tito's nearing the end of his career. Ryoto is undefeated so far, but most of his fights have been against substandard competition, and until recently he usually won via a "boring" judge's decision. I'm taking Tito, and Win Ark is taking Ryoto (against anyone!). Stakes: Win wants two 8.8oz cans of Blue Lavazza ground espresso; I'll take a 1lb box of See's Truffles. I consider this a 50/50 bet; very hard to call the winner.

Go (12/23/2003). I have entered into a lifetime, biannual, man-vs-machine bet with some friends, on the game of Go. I'm not very good at Go. But others are worse.


Completed Bets

Full details are available for for summary below.

DateEventOpponent StakesOutcome
4/14/2007Bodog: Fedor vs. Lindland "Dude" & Arash$70 Win
12/30/2006UFC 66: Liddell vs. Ortiz Arash$50 Win
11/18/2006 UFC 65: Hughes vs. GSP Batata$50 Win
5/27/2006 UFC 60: Hughes vs. Royce Arash & Batata$100 Win
9/22/2005 Efficient markets WinPhoto Win
12/23/2003 Go (man vs. machine) Scott Roy$100 Win (x10)
4/2002 Overture/Google patent Narinder$25 Loss


Open Source

ANSI Common Lisp
Asciify Convert a string with European accented characters, into "equivalent" 7-bit ASCII (A-Z,a-z).
Grid Make a blank grid suitable for crossword or cross-sum puzzles, with typical symmetry and connectiveness.

My Current Web Sites

URLTopicNotes
don.geddis.org Don GeddisMy personal home page
reef.geddis.org Saltwater reef aquariumPhotos & video from home aquarium
jujitsu.geddis.org Aiki JujitsuArchive of my last version

My Previous Web Sites

URLTopicNotes
bjj.org Gracie and Brazilian Jiu-JitsuJan 15 1996 - Sept 5 2006 (10+ years)
jujitsu.stanford.edu Aiki Jujitsu at StanfordFounding webmaster, mid 1990's
rickson.com Rickson Gracie Founding webmaster, mid 1990's
ralphgracie.com Ralph Gracie Founding webmaster, mid 1990's



webmaster@geddis.org For encrypted email, use my PGP Public Key. Last updated 05/25/08