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John Giamatteo
Chief Executive Officer at
BLACKBERRY LIMITED
Net worth: 8 M $ as of 2026-05-30
Profile
John Joseph Giamatteo is currently CEO, Director & President-Secure Communications and President & Chief Executive Officer at BlackBerry Ltd. Former positions include President & Chief Executive Officer-Asia Pacific at Nortel Networks Corp.
from 1988 to 2005, Chief Operating Officer at RealNetworks, Inc. from 2005 to 2010, Senior Vice President & GM-Consumer Business at Intel Security Group, Chief Operating Officer at Solera Holdings LLC (Texas) from 2010 to 2011, Chief Operating Officer at AVG Technologies NV from 2011 to 2014, and President & Chief Revenue Officer at McAfee Corp.
from 2013 to 2020.
Education includes undergraduate and MBA degrees from St. John's University.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
BLACKBERRY LIMITED 0.15% | 2026-04-30 | 899,146 ( 0.15% ) | 8 M $ | 2026-05-30 |
John Giamatteo active positions
| Companies | Position | Start |
|---|---|---|
| BLACKBERRY LIMITED | Chief Executive Officer | 2023-12-10 |
Former positions of John Giamatteo
| Companies | Position | End |
|---|---|---|
| MCAFEE CORP. | Corporate Officer/Principal | 2020-01-09 |
| AVG TECHNOLOGIES NV | Chief Operating Officer | 2013-12-31 |
| SOLERA HOLDINGS INC | Chief Operating Officer | - |
| REALNETWORKS, INC. | Chief Operating Officer | 2010-04-01 |
| NORTEL NETWORKS CORPORATION (USA) | Corporate Officer/Principal | - |
Training of John Giamatteo
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
83
1st degree connections
9
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 9 |
|---|---|
RealNetworks, Inc.
 RealNetworks, Inc. Packaged SoftwareTechnology Services Develops AI-powered facial recognition systems for security | Technology Services |
Nortel Networks Corp.
 Nortel Networks Corp. Financial ConglomeratesFinance Development stage company | Finance |
BlackBerry Ltd.
 BlackBerry Ltd. Packaged SoftwareTechnology Services Provides intelligent security software services for mobile communications | Technology Services |
Intel Security Group
 Intel Security Group Packaged SoftwareTechnology Services Develops anti-virus software | Technology Services |
Solera Holdings LLC (Texas)
 Solera Holdings LLC (Texas) Packaged SoftwareTechnology Services Provides vehicle lifecycle management software-as-a-service and data solutions for insurance and automotive industry | Technology Services |
St. John's University
 St. John's University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
AVG Technologies NV
 AVG Technologies NV MiscellaneousMiscellaneous Functions as an investment holding company and provides financing services | Miscellaneous |
McAfee LLC
 McAfee LLC Information Technology ServicesTechnology Services Provides data protection and VPN technology services & PC application for online privacy | Technology Services |
McAfee Corp.
 McAfee Corp. Packaged SoftwareTechnology Services Develops an AI powered and cybersecurity solutions for people, businesses and governments worldwide | Technology Services |
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