Constantine Liollio
Director/Board Member at HANCOCK WHITNEY CORPORATION
Net worth: 2 M $ as of 2025-11-29
Profile
Constantine S. Liollio is a businessperson who has been at the helm of 8 different companies and occupies the position of President & Director at PNGS GP LLC and President for Plains Midstream Canada ULC. He is also Member-Parish Council at Annunciation Greek Orthodox Cathedral and on the board of 5 other companies. In his past career he occupied the position of President & Chief Executive Officer at CenterPoint Energy, Inc., President, Chief Executive Officer & Director at EnergySouth, Inc., President & Chief Executive Officer for Spire Gulf, Inc., President & Director at PAA Natural Gas Storage LP, President at PAA Natural Gas Storage LLC, Chairman of Texas Gas Association and Director-Mobile Area Council at Boy Scouts of America. Constantine S. Liollio received an undergraduate degree from Texas A&M University.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 2025-11-13 | 29,694 ( 0.04% ) | 2 M $ | 2025-11-29 |
Latest news about Constantine Liollio
Constantine Liollio active positions
| Companies | Position | Start |
|---|---|---|
| HANCOCK WHITNEY CORPORATION | Director/Board Member | 2016-09-30 |
Annunciation Orthodox School
Annunciation Orthodox School Annunciation Orthodox School is a non-profit corporation that admits students of any race, color, national and ethnic origin. The school is rooted in Greek traditions and culture and offers an educational experience that goes beyond academic excellence. It focuses on the development of strong character in an Orthodox Christian environment. AOS offers extended day programming before and after school, providing opportunities for students to engage in various interests and build relationships. The mission of AOS athletics is to nurture the whole person. The company is based in Houston. | Director/Board Member | - |
GPA Midstream Association
GPA Midstream Association Operates as a association for gas producers | Director/Board Member | - |
Hancock Whitney Bank (Mississippi)
Hancock Whitney Bank (Mississippi) Regional BanksFinance Operates as a state chartered commercial bank | Director/Board Member | 2016-10-26 |
Annunciation Greek Orthodox Cathedral
Annunciation Greek Orthodox Cathedral The Annunciation Greek Orthodox Cathedral is a company based in Houston, TX. | Corporate Officer/Principal | - |
Southern Gas Association | Director/Board Member | - |
Former positions of Constantine Liollio
| Companies | Position | End |
|---|---|---|
PAA Natural Gas Storage LLC
PAA Natural Gas Storage LLC Other TransportationTransportation Develops and operates natural gas storage facilities | President | 2020-01-30 |
EnergySouth, Inc.
EnergySouth, Inc. Gas DistributorsUtilities Provides natural gas distribution and midstream services | Chief Executive Officer | 2008-09-30 |
Plains Midstream Canada ULC
Plains Midstream Canada ULC Oil & Gas PipelinesIndustrial Services Owns and operates midstream energy infrastructure and provides logistics services for crude oil & natural gas liquids | President | - |
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| ░░░░░░░░ ░░░ ░░░░░░░░░░░ | ░░░░░░░░░░░░░░ ░░░░░░ | - |
Training of Constantine Liollio
Experiences
Positions held
Connections
1st degree connections
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 20 |
|---|---|
Hancock Whitney Corp.
Hancock Whitney Corp. Operates as a bank holding company whose subsidiary provides banking services | |
Spire Gulf, Inc.
Spire Gulf, Inc. Distributes gas for utility purposes | |
EnergySouth, Inc.
EnergySouth, Inc. Gas DistributorsUtilities Provides natural gas distribution and midstream services | Utilities |
CenterPoint Energy, Inc.
CenterPoint Energy, Inc. Electric UtilitiesUtilities Operates as a holding company whose subsidiaries distributes and transmits electricity & natural gas | Utilities |
PAA Natural Gas Storage LP
PAA Natural Gas Storage LP Provides natural gas storage services | |
PNGS GP LLC
PNGS GP LLC Operates, develops and manages natural gas storage facilities | |
Hancock Whitney Bank (Mississippi)
Hancock Whitney Bank (Mississippi) Regional BanksFinance Operates as a state chartered commercial bank | Finance |
Texas A&M University
Texas A&M University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Boy Scouts of America
Boy Scouts of America Miscellaneous Commercial ServicesCommercial Services Provides community development programs | Commercial Services |
American Gas Association
American Gas Association Miscellaneous Commercial ServicesCommercial Services Operates as a gas association | Commercial Services |
Southern Gas Association | |
Plains Midstream Canada ULC
Plains Midstream Canada ULC Oil & Gas PipelinesIndustrial Services Owns and operates midstream energy infrastructure and provides logistics services for crude oil & natural gas liquids | Industrial Services |
United Way of Southwest Alabama, Inc.
United Way of Southwest Alabama, Inc. Part of United Way Worldwide, United Way of Southwest Alabama, Inc. is a non-profit organization based in Mobile, AL. United Way of Southwest Alabama, Inc. aims to improve the quality of life in the communities they serve in , , , and counties. The company's mission is to strengthen communities by mobilizing resources that support the building blocks for a better life, including health, education, financial stability, and access to life's basic essentials. The company collaborates with local nonprofit agencies, provide financial, volunteer, and advocacy support, advocate for social issues, and raise funds through workplace campaigns and individual donors. Alan H. Turner has been the CEO of the company since 2011. | |
Providence Hospital (Alabama)
Providence Hospital (Alabama) Hospital/Nursing ManagementHealth Services Operates general medical and surgical hospitals | Health Services |
PAA Natural Gas Storage LLC
PAA Natural Gas Storage LLC Other TransportationTransportation Develops and operates natural gas storage facilities | Transportation |
Annunciation Greek Orthodox Cathedral
Annunciation Greek Orthodox Cathedral The Annunciation Greek Orthodox Cathedral is a company based in Houston, TX. | |
St. Paul's Episcopal School (California)
St. Paul's Episcopal School (California) St. Paul's Episcopal School is an independent private K-8 school that is located in Oakland, CA. The school admits students of any race, color, national and ethnic origin, sexual orientation, gender identity or gender expression and provides them with all the rights, privileges, programs, and activities generally accorded or made available to students at the School. The academic program at St. Paul’s is designed to embed diversity, equity, and inclusion and community-engaged learning in the curriculum, providing students with the tools to define their sense of purpose. The faculty is diverse and inclusive, and the school is committed to socioeconomic and racial diversity, as well as the school's connection to the broader community. | |
Texas Gas Association | |
Annunciation Orthodox School
Annunciation Orthodox School Annunciation Orthodox School is a non-profit corporation that admits students of any race, color, national and ethnic origin. The school is rooted in Greek traditions and culture and offers an educational experience that goes beyond academic excellence. It focuses on the development of strong character in an Orthodox Christian environment. AOS offers extended day programming before and after school, providing opportunities for students to engage in various interests and build relationships. The mission of AOS athletics is to nurture the whole person. The company is based in Houston. | |
GPA Midstream Association
GPA Midstream Association Operates as a association for gas producers |
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