Patrick Gallagher

Chairman at HARMONIC INC.

Net worth: 34 M $ as of 2026-05-30

71 year

77 connections

Communications

Electronic Technology

Technology Services

Profile

Patrick Terence Gallagher is currently Chairman at Harmonic, Inc. since 2013, Chairman at Mirabeau SAS since 2019, and Lead Independent Director at Ciena Corp.
since 2017.
Former roles include Executive Vice Chairman & Chief Executive Officer at Global Cloud Xchange Ltd. (United Kingdom) from 2003 to 2006, Vice Chairman at Golden Telecom, Inc. in 2008, Chairman at Ubiquisys Ltd. from 2008 to 2012, Chairman at Macro 4 Ltd. from 2008 to 2009, Vice Chairman at CIS Finance SAS, Chairman at InterCloud SAS from 2014 to 2022, Independent Director at Sollers PJSC from 2008 to 2015, and President-Europe at BT Group Plc from 1985 to 2002.
Education includes undergraduate degrees from St. John Fisher College (1971), Wiltshire College (1973), and the University of Warwick (1976).

Known holdings in public companies

Company	Date	Number of shares	Valuation	Valuation date
CIENA CORPORATION 0.04%	2026-03-25	50,789 ( 0.04% )	29 M $	2026-05-30
HARMONIC INC. 0.29%	2026-03-31	315,993 ( 0.29% )	5 M $	2026-05-30

Patrick Gallagher active positions

Companies	Position	Start
CIENA CORPORATION	Director/Board Member	2009-05-27
HARMONIC INC.	Chairman	2013-04-17
Mirabeau SAS Mirabeau SAS Miscellaneous Commercial ServicesCommercial Services Operates as a holding company	Chairman	2019-07-31

All active positions of Patrick Gallagher

Former positions of Patrick Gallagher

Companies	Position	End
InterCloud SAS InterCloud SAS Internet Software/ServicesTechnology Services Operates as a managed global cloud connectivity platform	Chairman	2021-12-31
SOLLERS	Director/Board Member	2015-05-31
Ubiquisys Ltd. Ubiquisys Ltd. Computer CommunicationsElectronic Technology Provides communication services	Chairman	2012-02-29
Macro 4 Ltd. Macro 4 Ltd. Packaged SoftwareTechnology Services Develops computer software for document management	Chairman	2009-01-31
Golden Telecom, Inc. Golden Telecom, Inc. Wireless TelecommunicationsCommunications Provides mobile telecommunication services and also operates as an internet service provider	Director/Board Member	2008-02-29

See the detail of Patrick Gallagher's experience

Training of Patrick Gallagher

Experiences
Positions held

Active

Inactive

Listed companies

Private companies

See the detail of Patrick Gallagher's experience

Connections

1st degree connections

1st degree companies

Male

Female

Members of the board

Executives

See the personal network

Linked companies

Private companies	14
BT Group Plc BT Group Plc Major TelecommunicationsCommunications Provides communication solutions and services	Communications
Harmonic, Inc. Harmonic, Inc. Telecommunications EquipmentElectronic Technology Designs, manufactures, and sells versatile video solutions	Electronic Technology
Ciena Corp. Ciena Corp. Telecommunications EquipmentElectronic Technology Provides communication network equipment, associated software and professional services	Electronic Technology
Golden Telecom, Inc. Golden Telecom, Inc. Wireless TelecommunicationsCommunications Provides mobile telecommunication services and also operates as an internet service provider	Communications
Ubiquisys Ltd. Ubiquisys Ltd. Computer CommunicationsElectronic Technology Provides communication services	Electronic Technology
Macro 4 Ltd. Macro 4 Ltd. Packaged SoftwareTechnology Services Develops computer software for document management	Technology Services
Sollers PJSC Sollers PJSC Motor VehiclesConsumer Durables Manufactures and distributes cars, assembly kits and engines	Consumer Durables
St. John Fisher College St. John Fisher College Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
University of Warwick University of Warwick Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
Wiltshire College Wiltshire College Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
Global Cloud Xchange Ltd. (United Kingdom) Global Cloud Xchange Ltd. (United Kingdom) Specialty TelecommunicationsCommunications Delivers WAN, SD-WAN, internet, security and cloud voice services	Communications
CIS Finance SAS CIS Finance SAS Packaged SoftwareTechnology Services Develops TV management software, video stream networks, and video compression cards	Technology Services
Mirabeau SAS Mirabeau SAS Miscellaneous Commercial ServicesCommercial Services Operates as a holding company	Commercial Services
InterCloud SAS InterCloud SAS Internet Software/ServicesTechnology Services Operates as a managed global cloud connectivity platform	Technology Services