Cal Henderson and Ryan Lance

Cal Henderson and Ryan Lance represent two very different paths to long-term professional success. Henderson built his reputation in software engineering and became known globally as the co-founder and former CTO of Slack, after earlier work with Flickr. Lance spent more than four decades in the energy industry and led ConocoPhillips as chairman and CEO from 2012 until September 2026, when he moved into the executive chairman role. Their careers span technology and energy, with both reaching senior leadership positions in major global companies.

Cal Henderson and Ryan Lance Quick Bio

Profile Detail	Cal Henderson	Ryan Lance
Full Name	Callum James Henderson-Begg	Ryan M. Lance
Date of Birth	January 17, 1981	May 21, 1962
Age	45 years old in 2026	64 years old in 2026
Net Worth	Estimated / unverified; no authoritative public figure	Estimated / unverified; exact personal net worth is not officially disclosed
Birth Place	England, United Kingdom	Blytheville, Arkansas, USA
Nationality	British	American
Profession	Technology executive, software engineer, entrepreneur, author and investor	Petroleum engineer, business executive and energy industry leader
Famous For	Co-founding Slack and serving as its CTO; earlier engineering leadership at Flickr	Longtime leadership of ConocoPhillips
Current Position	Technology adviser and investor	Executive Chairman, ConocoPhillips
Former Position	Co-founder and CTO of Slack	Chairman and CEO of ConocoPhillips, 2012–2026
Nickname	Cal	No widely documented public nickname
Parents	Limited publicly documented information	Limited publicly documented information
Siblings	Limited publicly documented information	Limited publicly documented information
Education	BSc in Software Engineering, Birmingham City University	Bachelor’s degree in Petroleum Engineering, Montana Technological University
Height	Not reliably documented — estimated/unverified	Not reliably documented — estimated/unverified
Weight	Not reliably documented — estimated/unverified	Not reliably documented — estimated/unverified
Hair Color	Brown / Dark Brown	Gray / White
Eye Color	Not reliably documented publicly	Not reliably documented publicly
Marital Status	Married	Married
Spouse	Private	Lisa Lance
Children	Children	Two children publicly reported
Family	Lives in San Francisco with his wife and children	Lives with his wife and family; maintains a relatively private personal life
Hobbies & Interests	Programming, technology, gaming, science fiction and creative projects	Golf, outdoor activities, fitness and sports
Industry	Technology / Software	Oil & Gas / Energy
Major Company	Slack	ConocoPhillips
Previous Major Company	Flickr / Yahoo	ConocoPhillips and its predecessor operations
Major Career Achievement	Helped build Slack from its early development through its public listing and $27.7 billion Salesforce acquisition	Led ConocoPhillips for 14 years as chairman and CEO and spent more than 40 years with the company
Flickr Connection	Built and led Flickr’s engineering organization before its 2005 Yahoo acquisition	No connection
Slack Connection	Co-founder and CTO for 15 years	No connection
ConocoPhillips Connection	No connection	Joined senior leadership before becoming chairman and CEO in 2012; became Executive Chairman in September 2026
Author	Author of Building Scalable Web Sites	No major book publication publicly documented
Technology Work	Web APIs, OAuth, oEmbed, scalable software and engineering leadership	Petroleum engineering, exploration, production, technology and major energy projects
Career Length	More than two decades in technology	More than 40 years in the energy industry
Leadership Style	Engineering-focused technology leadership	Corporate and energy-industry leadership
Instagram	No clearly verified personal Instagram account	No clearly verified personal Instagram account
Current Focus	Advising and investing in software leaders and companies	Executive board leadership and transitional responsibilities at ConocoPhillips
Career Base	San Francisco, California	Houston, Texas / United States energy sector
Major Recognition	World Economic Forum Young Global Leader and Fortune 40 Under 40	Leadership roles with ConocoPhillips, National Petroleum Council and major industry organizations
Professional Legacy	A major figure in the development of workplace collaboration software and web engineering	A longtime energy executive associated with the growth and strategic direction of ConocoPhillips

Cal Henderson and Ryan Lance Images

Cal Henderson and Ryan Lance Instagram