Leadership Team

Mr. Hornbeck serves as our President, Chief Executive Officer and is a member of the Board of Directors. Having founded Hornbeck Offshore Services, Inc. in June 1997, Mr. Hornbeck has since played a pivotal role in the development of Hornbeck from a small, private company into a large, global provider of technologically advanced offshore supply and multipurpose service vessels.

Mr. Hornbeck previously served as the Chairperson of the Hornbeck Board and Hornbeck’s President and Chief Executive Officer and served as Hornbeck’s President and as a member of the Hornbeck Board since its founding in 1997. Mr. Hornbeck also served as Hornbeck’s Chief Operating Officer from June 1997 until February 2002, at which point he was appointed as Hornbeck’s Chief Executive Officer. Mr. Hornbeck was appointed as the Chairperson of the Hornbeck Board in May 2005. Prior to founding Hornbeck in 1997, Mr. Hornbeck was employed from 1991 to 1996 by the original Hornbeck Offshore Services, Inc. (“original Hornbeck”), a NASDAQ-listed publicly traded offshore service vessel company founded by his father, Mr. Larry Hornbeck, with over 105 offshore supply vessels operating worldwide, serving in various positions relating to business strategy and development. Following original Hornbeck’s merger with Tidewater Inc. (“Tidewater”) in March 1996, Mr. Hornbeck accepted a position as Marketing Director-Gulf of America with Tidewater, where his responsibilities included managing relationships and overall business development in the U.S. Gulf region. He remained with Tidewater until Hornbeck’s formation in 1997. Mr. Hornbeck has served on the board of directors of the International Support Owners Association, the Offshore Marine Service Association and the National Ocean Industries Association.

Mr. Hornbeck’s extensive experience in the offshore service vessel industry, coupled with his over 25 years of service leading Hornbeck since its founding, positions Mr. Hornbeck well to serve as the combined company’s President and Chief Executive Officer, as well as to serve as a member of the combined company board.

Mr. Adams joined Hornbeck in 2005 and has served as our Executive Vice President and Chief Financial Officer since September 2026. Since joining Hornbeck in October 2005, Mr. Adams has served in various capacities primarily focused on financial planning and analysis, mergers and acquisitions, investor relations and capital structure and most recently served as Senior Vice President of Finance from March 2020 until September 2026.

Prior to joining Hornbeck, Mr. Adams held positions of increasing responsibility at Accenture, specializing in budgeting and forecasting from March 2000 to October 2005, and ultimately serving as a Finance Specialist.

Mr. Adams received a Bachelor of Science degree in Finance from Louisiana State University.

Mr. Giberga joined Hornbeck in January of 2004 and currently serves as our Executive Vice President, General Counsel and Secretary. Mr. Giberga has served as the General Counsel of Hornbeck since joining Hornbeck in January 2004. He was appointed Hornbeck’s Corporate Secretary in January 2021, appointed as Hornbeck’s Executive Vice President and Chief Compliance Officer in June 2011 and served as Senior Vice President beginning in February 2005. Prior to joining Hornbeck, Mr. Giberga was engaged in the private practice of law for 14 years. During his legal career, Mr. Giberga has worked extensively with marine and energy service companies in a variety of contexts with a concentration in general business, international and intellectual property matters.

Mr. Sparks has served as our Executive Vice President and Chief Operating Officer – Subsea Services and Well Intervention since September 2026. Prior to joining Hornbeck, Mr. Sparks served as the Executive Vice President and Chief Operating Officer for Helix Energy Solutions from February 2016 until September 2026. From May 2015 to February 2016, Mr. Sparks served as Helix’s Executive Vice President – Operations, and he served as Helix’s Vice President – Commercial and Strategic Development from October 2012 to May 2015. Mr. Sparks has also served in various positions with Helix Robotics Solutions, Inc. (formerly known as Canyon Offshore, Inc.), including as Senior Vice President of Helix Robotics Solutions, Inc. from 2007 to September 2012. Including his experience with Helix, Mr. Sparks has over 36 years of experience in the subsea industry, including Operations Manager and Vessel Superintendent at Global Marine Systems and BT Marine Systems.

Mr. Todd initially joined Hornbeck in January 2001 and has served as our Executive Vice President and Chief Operating Officer – Marine Transportation and Specialty since September 2026. He previously served as Senior Vice President of Maintenance and Repair from January 2026 until September 2026. Mr. Todd served as Hornbeck’s Vice President and General Manager of the MPSV and Government Operations Fleets from January 2001 to July 2012. Prior to rejoining Hornbeck, Mr. Todd held senior leadership positions focused on operational strategy and execution at Beier Integrated Systems, a manufacturer and servicer of fully integrated marine systems, serving as the Vice President and Chief Operating Officer from July 2012 to March 2023 before being appointed as President of Beier in March 2023. Mr. Todd also served in the U.S. Navy as a surface electrical technician for surface ships and ground electronics for the naval air station.

Mr. Cook joined Hornbeck in 2005 and has served as Executive Vice President and Chief Accounting Officer since September 2026. Since joining Hornbeck in December 2005, Mr. Cook has held accounting, finance and supply chain leadership roles of increasing responsibility and most recently served as Senior Vice President and Chief Accounting Officer from March 2020 until September 2026. Prior to joining Hornbeck, Mr. Cook worked in the assurance practice of Ernst & Young LLP from June 2002 to December 2005, ultimately serving as Audit Manager, and in staff-level positions in the audit and assurance practice of Arthur Andersen LLP from December 2000 to June 2002. Mr. Cook is an active certified public accountant and a Chartered Global Management Accountant in Louisiana and is a member of the American Institute of Certified Public Accountants and the Society of Louisiana Certified Public Accountants.

Mr. Cook received a Bachelor of Science degree in Accounting from Louisiana State University.

Ms. Heistad joined Hornbeck in August 2021 and has served as Executive Vice President and Chief Human Resources Officer since September 2026. Since joining Hornbeck in August 2021, Ms. Heistad has held leadership roles overseeing the Company’s human capital strategy and human resources operations and previously served as Senior Vice President of Human Resources from March 2026 until September 2026. Prior to joining Hornbeck, Ms. Heistad spent nearly 10 years with Noble Drilling in human resources leadership roles.

Ms. Heistad is an attorney licensed in Texas and received a Juris Doctor degree from Northern Illinois University, a Master of Human Resources Management degree and a Bachelor of Science degree in Business Administration from Chapman University.

Mr. Stuart has served as Executive Vice President and Chief Commercial Officer since September 2026. Prior to joining Hornbeck, Mr. Stuart served as Vice President of Commercial for Helix Energy Solutions, where he was a member of Helix’s corporate management team. Mr. Stuart served as Helix’s Vice President of Special Projects from January 2023 to February 2024 and as Managing Director of Helix Brazil from March 2022 to January 2023. Prior to joining Helix, Mr. Stuart worked as a Subsea Engineer with Wood Group.

Mr. Stuart received a Master of Business Administration degree from Imperial Business School in London, a Master of Science degree in Geotechnical Engineering and Engineering Seismology from Imperial College London, and a Bachelor of Engineering degree in Civil Engineering from the University of Southampton.

Mr. Annessa joined Hornbeck in September 1997 and has served as our Executive Vice President – Defense / Emerging Technologies since September 2026. He previously served as Executive Vice President—Military, Engineering, Repair & Maintenance and as our Chief Operating Officer from February 2002 to September 2020. Prior to February 2002, Mr. Annessa served as our Vice President of Operations beginning in September 1997.. Prior to joining Hornbeck, Mr. Annessa was employed for 17 years by Tidewater in various technical and operational management positions, including management of large fleets of offshore supply vessels in the Arabian Gulf, Caribbean and West African markets, and was responsible for the design of several of Tidewater’s vessels. Mr. Annessa was employed for two years by Avondale Shipyards, Inc. as a mechanical engineer before joining Tidewater.

Mr. Annessa received a degree in naval architecture and marine engineering from the University of Michigan in 1979.

Mr. Nicaud joined Hornbeck in 2010 and has served as Senior Vice President, Associate General Counsel and Chief Compliance Officer since March 2025. He joined Hornbeck as Senior Counsel and was appointed Vice President and Associate General Counsel in June 2020. Prior to joining Hornbeck, Mr. Nicaud was in private practice in New Orleans, representing owners, charterers and operators in international and maritime disputes and transactional matters.

Mr. Nicaud received a Master of Laws (LL.M) degree in Shipping Law from the University of Cape Town, a Juris Doctor degree with a certificate in Maritime Law from Tulane University School of Law, and a Bachelor of Arts degree from Louisiana State University.