Profile
William M.
Tatham was the founder of Janna Systems, Inc., founded in 1990, where the title held was Chairman & Chief Executive Officer from 1990 to 2000.
Dr. Tatham is the founder of XJ Partners, Inc., founded in 2000, holding the title of Director starting in 2001.
Dr. Tatham was the founder of NexJ Systems, Inc., founded in 2003, with the title of Director from 2020 to 2023.
Dr. Tatham is also the founder of The Canadian Association for People-Centred Health,Nexj Health, Inc...
Dr. Tatham is Executive Chairman at NexJ Health Holdings, Inc. Dr. Tatham is Chairman at Majik Systems, Inc. Dr. Tatham is Director at Stewards for Open Health Tools.
Dr. Tatham is President & Director at Tatham Family Holdings II Ltd. Dr. Tatham is Director at Expeflow, Inc. Dr. Tatham is Adjunct Professor at York University.
Dr. Tatham is Trustee at Tatham Children’s Trust.
Dr. Tatham was Executive Chairman at Bycast, Inc. Dr. Tatham was Vice Chairman-Governors Board at North York General Hospital.
Dr. Tatham was Independent Director at Elizabeth Arden, Inc. from 2011 to 2016.
Dr. Tatham was Vice President & General Manager at Siebel Systems, Inc. from 2000 to 2001.
Dr. Tatham was Member-Governors Board at The University of Waterloo.
Dr. Tatham was Member-Capital Campaign at The Michener Institute of Applied Health Sciences.
Dr. Tatham earned an undergraduate degree from The University of Waterloo in 1983.
Dr. Tatham earned a doctorate from The University of Waterloo in 2012.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
NexJ Health Holdings, Inc.
NexJ Health Holdings, Inc. Packaged SoftwareTechnology Services Develops software solutions for healthcare industries -.--% | 2025-05-25 | 27,299,923 ( -.--% ) | - $ | Today |
William Tatham active positions
| Companies | Position | Start |
|---|---|---|
XJ Partners, Inc.
XJ Partners, Inc. Miscellaneous Commercial ServicesCommercial Services Provides consulting services | Founder | 2000-12-31 |
Stewards for Open Health Tools | Director/Board Member | 2011-06-08 |
Tatham Family Holdings II Ltd. | President | - |
Tatham Children’s Trust | Director/Board Member | - |
NexJ Health Holdings, Inc.
NexJ Health Holdings, Inc. Packaged SoftwareTechnology Services Develops software solutions for healthcare industries | Chairman | - |
Nexj Health, Inc.
Nexj Health, Inc. Packaged SoftwareTechnology Services Develops cloud based software which helps health management | Founder | - |
Majik Systems, Inc.
Majik Systems, Inc. Internet Software/ServicesTechnology Services Operates real-time machine monitoring platform for factories and machine manufacturers | Chairman | - |
Expeflow, Inc.
Expeflow, Inc. Packaged SoftwareTechnology Services Develops cloud based workflow automation platform to help healthcare, insurance and businesses streamline | Director/Board Member | - |
York University
York University Other Consumer ServicesConsumer Services Functions as a College/University | Corporate Officer/Principal | - |
Former positions of William Tatham
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| ░░░ ░░░░░░░░░░ ░░ ░░░░░░░░ | ░░░░░░░░░ ░░░░░░░░░░░░░░░░░ | - |
Training of William Tatham
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
1st degree connections
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 18 |
|---|---|
Siebel Systems, Inc.
Siebel Systems, Inc. Packaged SoftwareTechnology Services Develops customer relationship management software | Technology Services |
Elizabeth Arden, Inc.
Elizabeth Arden, Inc. Household/Personal CareConsumer Non-Durables Manufactures and distributes skincare, fragrances, makeup & ceramide through online | Consumer Non-Durables |
Janna Systems, Inc.
Janna Systems, Inc. Packaged SoftwareTechnology Services Designs, develops, markets and supports relationship management software | Technology Services |
York University
York University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
The University of Waterloo
The University of Waterloo Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Bycast, Inc.
Bycast, Inc. Packaged SoftwareTechnology Services Provides storage software solutions | Technology Services |
North York General Hospital
North York General Hospital Hospital/Nursing ManagementHealth Services Operates community academic hospitals | Health Services |
NexJ Systems, Inc.
NexJ Systems, Inc. Packaged SoftwareTechnology Services Develops intelligent customer management solutions | Technology Services |
XJ Partners, Inc.
XJ Partners, Inc. Miscellaneous Commercial ServicesCommercial Services Provides consulting services | Commercial Services |
The Michener Institute of Applied Health Sciences
The Michener Institute of Applied Health Sciences Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
The Canadian Association for People-Centred Health | |
Stewards for Open Health Tools | |
Tatham Family Holdings II Ltd. | |
Tatham Children’s Trust | |
NexJ Health Holdings, Inc.
NexJ Health Holdings, Inc. Packaged SoftwareTechnology Services Develops software solutions for healthcare industries | Technology Services |
Nexj Health, Inc.
Nexj Health, Inc. Packaged SoftwareTechnology Services Develops cloud based software which helps health management | Technology Services |
Majik Systems, Inc.
Majik Systems, Inc. Internet Software/ServicesTechnology Services Operates real-time machine monitoring platform for factories and machine manufacturers | Technology Services |
Expeflow, Inc.
Expeflow, Inc. Packaged SoftwareTechnology Services Develops cloud based workflow automation platform to help healthcare, insurance and businesses streamline | Technology Services |
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