John Barrett Email & Phone Number
Chief Technology Officer @ CannaLedger
5 free lookup(s).
No credit card required.
John Barrett Location
- Johannesburg, GP, ZA
John Barrett Work
- 2020 - now Chief Technology Officer @
- 2022 - now Regional Sales Manager @
- 2020 - 2023 Business Development Executive @
- 2019 - 2020 Managing Director @
- 2018 - 2019 Senior Business Consultant @
- 2014 - 2017 Regional Business Consultant SSA @
- 2012 - 2014 ENA Operations Manager @
- 2008 - 2011 National Operations Manager @
- 2006 - 2008 Mobile Services Manager @ Dalkia Energy and Technical Solutions
- 2005 - 2006 Contract Supervisor @ OCS Building Services
- 2002 - 2005 Mobile HVAC Tech @
John Barrett Education
- Pietermaritzburg College
(English Afrikaans Maths Biology Economics)
- University of Westminster
(Business/Managerial Economics)
- Richards Bay Technical College
(Mechanical Engineering)
John Barrett Skills
- HVAC
- Contract Negotiation
- Project Planning
- Key Account Management
- Management
- New Business Development
- Sales Management
- Building Automation
- Sales Process
- Team Leadership
- Account Management
- Electricians
- Process Improvement
- Contract Management
- Microsoft Excel
- Project Management
- Building Services
- Customer Service
- Facilities Management
- Procurement
- Commissioning
- Business Strategy
- Training
- HVAC Controls
- Energy Management
- Coaching
- Engineering
- Budgets
- System Administration
- Energy Efficiency
- Building Management Systems
- Six Sigma
- Mobile Devices
- Energy
- Maintenance & Repair
- Automation
- Electrical Engineering
- Leadership
- Fire Alarm
- Preventive Maintenance
- Project Engineering
- Access Control
- CCTV
- Manufacturing
- Business Development
- Maintenance And Repair
- Screening
- Human Resources
- Staffing Services
- Internet Recruiting
- Sourcing
- Vendor Management
- Team Management
- Lead Generation
- Applicant Tracking Systems
- Quality Assurance
- Talent Acquisition
- Temporary Staffing
- Talent Management
- Program Management
- Employee Relations
- Social Networking
- Temporary Placement
- Interviews
- Screening Resumes
- Onboarding
- Benefits Negotiation
- College Recruiting
- Technical Recruiting
- Industrial Sector
- Recruiting
- Workshop Facilitation
- Contract Recruitment
- Executive Search
John Barrett Summary
- John Barrett, based in Johannesburg, GP, ZA, is currently a Chief Technology Officer at CannaLedger. John Barrett brings experience from previous roles at Johnson Controls, Digital Twin (Pty) Ltd and Voltas Controls. John Barrett holds a Pietermaritzburg College. With a robust skill set that includes HVAC, Contract Negotiation, Project Planning, Key Account Management, Management and more. John Barrett has 4 emails on RocketReach.
5 free lookup(s).
No credit card required.
If you need more lookups,
subscriptions start at $34 USD/month.
Looking for a different John Barrett?
Find contact details for 700 million professionals.
Others Named John Barrett
John Barrett
Founder and Managing Partner
Pasadena, CA, US
John Barrett
Chairman, President and CEO
Cincinnati, OH, US
John Barrett
President and CEO
Sarasota, FL, US
Top CannaLedger Employees
John Barrett
Chief Technology Officer
Johannesburg, GP, ZA
David Hall
Director
Durban, KZN, ZA
Kudzai Mtambanengwe
Technical Quality Manager
Limpopo, South Africa
Erick Barnard
Marketing Manager
Johannesburg, GP, ZA
How It Works
Get a Free Account
Sign up for a free account. No credit card required. Up to 5 free lookups. 
Search the #1 Contact Database
Get contact details of over 700M profiles across 60M companies - all with industry-leading accuracy. Sales and Recruiter users, try out our Email Finder Extension. 
Use our AI-Powered Email Finder
Find business and personal emails and mobile phone numbers with exclusive coverage across niche job titles, industries, and more for unparalleled targeting. Also available via our Contact Data API. 
G2 Crowd Trusted
300K+ Plugin Users
© 2026 RocketReach.co