This appears to be his LinkedIn page: https://www.linkedin.com/in/glenn-randers-pehrson-77110a101/ https://www.linkedin.com/in/glenn-randers-pehrson-77110a101/

This appears to be his LinkedIn page: https://www.linkedin.com/in/glenn-randers-pehrson-77110a101/ https://www.linkedin.com/in/glenn-randers-pehrson-77110a101/ Started out as a geophysicist for a Texas oil company, then served in the military, then a number of physicist gigs with the government, including with the army and at Livermore Laboratory. His most recent gig is "(Volunteer) Software Developer and Maintainer" -- Jan 1995 - Present"