Image of Cal Henderson

Cal Henderson

Co-founder & CTO

CTO at Slack

San Francisco Bay Area

Section title

Cal Henderson's Email Addresses & Phone Numbers

Cal Henderson's Work Experience

Slack Technologies, Inc

Co-founder & CTO

San Francisco, CA

Yahoo! Inc

Director of Engineering

June 2005 to April 2009

San Francisco Bay Area

LudiCorp Research and Development Ltd.

Director of Web Development

December 2003 to June 2005

Vancouver, British Columbia, Canada

Cal Henderson's Education

Sharnbook Upper School

1995 to 1999

University of Central England


1999 to 2002

Cal Henderson's Professional Skills Radar Chart

Based on our findings, Cal Henderson is ...


What's on Cal Henderson's mind?

Based on our findings, Cal Henderson is ...

52% Left Brained
48% Right Brained

Cal Henderson's Estimated Salary Range

About Cal Henderson's Current Company

Slack Technologies, Inc

Frequently Asked Questions about Cal Henderson

What company does Cal Henderson work for?

Cal Henderson works for Slack Technologies, Inc

What is Cal Henderson's role at Slack Technologies, Inc?

Cal Henderson is Co-founder & CTO

What is Cal Henderson's personal email address?

Cal Henderson's personal email address is ca****[email protected]

What is Cal Henderson's business email address?

Cal Henderson's business email address is c*****

What is Cal Henderson's Phone Number?

Cal Henderson's phone (**) *** *** 736

What industry does Cal Henderson work in?

Cal Henderson works in the Internet industry.

About Cal Henderson

💼 Past Experience

Cal Henderson has 10 years of experience in software engineering. Henderson has worked at both large software companies and startups. He has a degree in computer science from Northeastern University. Henderson is currently a Co-founder & CTO at Slack Technologies, Inc in San Francisco, CA. Henderson has also worked at Yahoo! Inc from June 2005 to April 2009 (3 years 11 months), in San Francisco Bay Area, and at LudiCorp Research and Development Ltd. from December 2003 to June 2005 (1 year 7 months), in Vancouver, British Columbia, Canada. Henderson has also worked at EMAP from August 2001 to February 2004 (2 years 7 months), in London, England, United Kingdom. Henderson has also worked at Link Information Systems from September 1999 to June 2000 (10 months) in Bedford, England, United Kingdom. Henderson has also worked at EMAP Heartbeat from January 1998 to December 1999 (1 year 1 month).

🎓 Education

Cal Henderson's education has been primarily in educational sciences, with a hiatus in 2002 to focus on business administration. In 2002, Henderson finished his studies at University of Central England, with a BSc in Business Administration. Henderson currently resides in London, England.Henderson began his career in 2002 as a business administrator and currently works as Sr. Business Analyst at a business in London. Henderson has worked extensively in the United Kingdom, within various business backgrounds. Henderson has a great deal of experience in various business and marketing environments. Henderson is confident in his work readiness and has a great deal of experience with different business formats and systems. Henderson is excellent at briefing and communicating business ideas to other individuals and teams. Henderson has a strong interest in business, and is always looking to learn more about new businesses and their potential. Henderson has a wealth of experience and knowledge that he has been able to use towards his current career path.

💡 Technical & Interpersonal Skills

These are just a few of the places that Cal Henderson has worked. Cal Henderson's experience spans across a range of technical, engineering, and interpersonal skills.Cal Henderson is an experienced CTO and Co-founder. As CTO at SlackCal Henderson is responsible for all the technical aspects of the Slack company, from writing code to managing the infrastructure. In this role, Henderson worked with engineers from around the world to build the world's most popular messaging platform.As Director of Engineering at Yahoo! Inc., Henderson directed the team that built the company's digital infrastructure. He also worked with engineers from around the world to develop various web development and hosting solutions.As Director of Web Development at LudiCorp Research and Development Ltd., Henderson was responsible for building the company's web development solutions. His work at this company gave him experience working with remote teams and collaborating with other parts of the company.Given the opportunity, Henderson would love to work on mobile app development. He has experience building desktop web applications and remains viscous believer that mobile apps can be as successful as DesktopApps. Henderson is currently working on a project to develop a mobile app with Facebook.

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In a nutshell

Cal Henderson's Personality Type

Introversion (I), Sensing (S), Thinking (T), Perceiving (P)

Average Tenure

2 year(s), 0 month(s)

Cal Henderson's Willingness to Change Jobs



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