Work I am a software engineer (programmer) specializing in computer security and cryptography. I work at Intel Corporation on Hyperledger Sawtooth blockchain software (here's a FAQ I wrote). Previously, I worked for ~20 years for Sun Microsystems (acquired by Oracle) on the Solaris operating system. I worked in the Security Technologies group on Verified Boot/Secure Boot and Cryptography. I have BS and MS degrees in Computer Science from University of California Irvine and San Diego.
Play My passion is cross-country skiing. I enjoy the sport in several forms—ski touring on roads and trails, locally, telemark skiing in isolated backcountry ski bowls and at downhill ski resorts. and snow camping in the Sierra backcountry in the spring. I wrote a guidebook on cross-country skiing called Ski Tours in Southern California. I've been an active Sierra Club member since 1974.
Here's a picture of my wife and friend :-), Helen. Here's her web page and her picture. Here she is backpacking in Yosemite, crossing an ice-cold stream and with mosquitoes swarming around her. Talk about fun! Here we are with mosquito nets and here I am storing food on a rock.
Helen's niece, Emily lives in Washington State.
Our dog is Fannie Mae, a golden retriever (2008-). Our previous dogs were Holly (1987-2001), and Patsy Ann (2001-2006), also goldens. Speaking of dogs, here's what do do if your dog or pet gets skunked.
My brother Dave died 2008.
My sister Teresa has a toy poodle puppy, Torrey. My dad's web page (genealogy), Shiloh the cat.
Here's some USENET FAQs/HOWTOs I wrote:
If you have questions or comments,
please send a message to
Last updated 23 February 2020.