Organization Chart
Organization Chart
Organization Chart
Organization Chart
Samref Management
Khalid Al-Jehairan
President & CEO

Mr. Khalid K. Al-Jehairan joined Saudi Aramco in October 1998. He started his career as a process engineer in Saudi Aramco’s Berri Gas Plant, and then assumed different engineering and operations responsibilities within the plant. He has held a variety of management positions across multiple business functions in Saudi Aramco such as Gas Operations, Project Management, and Sales, Trading & Supply Planning.
He was also a member in two of Saudi Aramco's Accelerated Transformation Program Initiatives. He worked on a strategy to develop Saudi Aramco's unconventional gas resources and on an initiative to enhance the company's capital projects execution program. 

Before joining Samref, Mr. Al-Jehairan was the Manager of Saudi Aramco's Oil Supply Planning & Scheduling Department (OSPAS) from August 2020 to October 2022.

Mr. Al-Jehairan holds multiple professional certificates in Bachelors and Master Science. He graduated from King Fahad University of Petroleum and Minerals (KFUPM) in 1998 with Bachelor's Degree in Chemical Engineering. In addition, he holds a Master's Degree in Business Administration from University of Strathclyde in Scotland, UK. He has also graduated from MIT's Sloan Fellow Program in 2020.

Jesus Hermosillo
Executive Vice President Manufacturing

A native of El Paso, Texas, Chuy received his bachelor’s degree in Mechanical Engineering from the University of Texas at Austin in 1981. He joined Exxon’s Baton Rouge Refinery in Louisiana, USA as a Project Engineer in 1985. After holding various Technical and Operations roles, Chuy was transferred to the Baytown Refinery in 1991 where he served as Technical and Coordination Supervisor.

Three years later, Chuy transferred to Exxon USA in Houston in an Operation’s Support role where he worked with refineries across the US circuit. In 1996, he was transferred to Exxon Company International in Miami and became the Supply Coordinator for the Central American refineries in El Salvador and Nicaragua. After two years, he moved to Latin America Planning developing an FCCU Upgrade Project for the Campana Refinery in Argentina.

In 1999, Chuy relocated to Buenos Aires, Argentina as the Technical Division Manager for the Esso Campana Refinery. Four years later, he became the Process Division Manager at Campana. And in 2006, Chuy was named Argentina Clean Fuels Project Executive. The project installed a 3P Hydrogen Plant and included plans to build hydrofining and sulfur recovery plants at Campana. Chuy relocated to New Orleans, Louisiana in 2008 where he became the Technical Manager at the Chalmette Refinery. Chalmette Refining was a Joint Venture between ExxonMobil and PDVSA.

Chuy returned to Houston, in 2013, as the Americas Engineering Manager for EMPCo, ExxonMobil Pipeline Company coordinating Engineering activities for Fuels and Lubes Midstream operations across the Americas. In 2018, Chuy maintained this role and absorbed additional responsibilities as the Midstream Global Technical Advisor.

Chuy and his wife, Cindy, live in Houston. They have 3 daughters; Rachel, Katherine, and Victoria who are spread across the US. In his leisure time, Chuy enjoys travelling, and stays busy with home improvement projects.

Syed Ovais Jafery
Syed Ovais Jafery
Chief Financial Officer
Ayman M. Attallah
Vice President Corporate Services
Abdullah Al-Subhi
General Manager Industrial Security, Govt. Affairs & SHE
Samref Board of Directors
Exxon Mobil - EM
T.J. (Tanya) Vetter
Board of Director

Tanya is the Vice President of Europe Africa Middle East Energy Products, ExxonMobil, based in Brussels.  She received her Bachelor of Commerce from the University of Saskatchewan in 1997.  She began her career with Imperial Oil, an ExxonMobil affiliate in Canada, that same year.  Throughout her career, Tanya has served in various capacities across Fuels & Lubricants, Controllers and Refining & Supply while working in Saskatoon, Toronto, Calgary, Houston, Singapore and now Brussels.  

Tanya assumed her current position in April 2022.  In her role, she leads the integrated Energy Products business across Europe Africa and the Middle East.  In addition to her organizational responsibilities, Tanya has been an active sponsor of the Women’s Leadership network and several network development programs for new employees.    

Beyond work, Tanya supports numerous programs for special needs children and especially enjoys camping, fishing, biking and horseback riding with her husband and children.

Board of Director

Mr. Jean-Marc Taton was elected Chairman, CEO, & President, ExxonMobil Saudi Arabia on July 1, 2018. Jean-Marc joined Mobil Chemical Products in 1993 as a supply chain and customer service supervisor in the Paris headquarter. Between 1993 and 2002, he held positions in supply chain, sales and marketing in Paris and in the United States as part of the Synthetics Global Business Unit. In 2003, Jean-Marc transferred to the Notre Dame de Gravenchon manufacturing site in France as the quality manager for the EPDM and Butyl plants. He then hold the position of manager for the central laboratory for the integrated refinery / chemical site. In 2006, he became the regional business team leader for the Aromatic business in Europe. In 2008, he relocated to Houston and became the Global Financial Manager for the Global PolyOlefins business. In this position, he was responsible for all financial planning activities in the Americas, Europe, and Asia for the Polyethylene and Polypropylene business units. In 2010, he became the Global Manager for the Business Service Centers operations. He was responsible for all back office activities such as customer service manager. In 2014, Jean-Marc transferred to Singapore and became the Global Sales Manager for the Specialty Elastomers business unit. Jean-Marc was born in Grenoble in France. He graduated from Trinity College Dublin and Ecole Nationale Superieure de Chimie de Lille. He is married with two sons and a daughter. The family expanded in 2017 with the birth of his first grand child

Fernando Salazar
Board of Director

Fernando Salazar received his Master’ s Degree in Chemical Engineering from Universidad de Buenos Aires , Argentina , in 1990 . He joined Esso’s Campana Refinery in Argentina as a Contact engineer in 1991. Fernando obtained a Master’ s degree in Business Administration from the Centro de Estudios Macroeconomicos , Argentina , in 1994 . In 1995 , he became the refinery ' s Daily Supply Coordinator . Three years later , he was transferred to Buenos Aires as Downstream Planning Senior Economist . In 2000 , Fernando moved to Trecate , Italy , as Process Second line Supervisor at ESSO ' s Trecate Refinery . In 2002 he became the Crude Optimizer for Americas and Far East at the ExxonMobil Refining & Supply Headquartes in Fairfax, Virginia. He then moved to ExxonMobil Baton Rouge Refinery in Baton Rouge, Louisiana, as Coordination and Product Quality Department Head. In 2006, Fernando assumed the role of Fuels South Process Department Head at the ExxonMobil Baytown Refinery, Baytown, Texas. A year later , he relocated to Acajutla , El Salvador , as Refinery Manager and Joint Venture President of RASA Refinery , an ExxonMobil and Shell joint venture , In 2009 , Fernando moved to California to become the Process Manager at the Torrance Refinery and Subsequently he assumed the Terrance Operations Manager position . In August 2011, Fernando relocated to Italy to assume the Augusta Refinery Manager position in Sicily. In April 2014 , Fernando assumed the Beaumont Refinery Manager position in Beaumont , Texas In May 2015 , Fernando relocated to Singapore and assumed the role of Asia Pacific Manufacturing Manager , In his leisure , Fernando enjoys sports and spending time with | his wife Carmen , their daughters , Rocio , Magdalena , Lara and son , Lautaro ,

Luis Grajales
Board of Director

In September 2019, Mr. Luis A. Grajales assumed the position of Downstream Controller for the ExxonMobil Fuels & Lubricants businesses in Europe, Africa and the Middle East, located in Brussels, Belgium.

Mr. Grajales began his career with ExxonMobil upstream in 1995 in Houston, Texas U. S. A. Since then he held a variety of positions in the ExxonMobil Finance function in Hungary, Belgium and United States of America including Texas, Virginia and Florida.

In 2008 , Mr , Grajales relocated from Fairfax , Virginia to Budapest , Hungary to assume the Product Movement and Inventory Process Manager for the Crude , Feedstock and Manufacturing department . While in Budapest, Mr. Grajales later assumed the positions of Lead Controller and Lead Country Manager for Hungary responsible for the management of the Global Business Center. In 2012, he returned to Houston, Texas to serve as the ExxonMobil Gas & Power Financial Reporting Manager and in 2014 assumed the position of Upstream Corporate Reprting Manager . In 2017, Mr. Grajales assumed the position of Global Process Manager for Financial Accounting & Reporting until taking his new position in 2019.

A native of the Texas, Mr . Grajales is a graduate of Texas A & M University, where he received an MBA in Finance and undergraduate degree.

Mr. Grajales is married, and he and his wife enjoy spending time with family, traveling and playing sports.

Saudi Aramco - SA
Chairman of the Board of Directors

Ahmad A. Al Sa’adi was appointed Senior Vice President of Technical Services in December 2015, effective January 1, 2016.

Al-Sa’adi heads Saudi Aramco engineering services, project management, information technology, materials supply and community, infrastructure and public projects. Al Sa’adi oversees the direction of corporate environmental and occupational health policies and provides guidance to management as to the impact of environmental trends.

In July 2010, Al Sa’adi became the vice president of Gas Operations — headquartered in ‘Udhailiyah — and led a complex organization that consisted of seven gas processing centers capable of processing a total of 12 billion standard cubic feet per day.

Prior to this, he was vice president of Pipelines, Distribution, and Terminals, which operated more than 50 facilities Kingdom-wide. He was responsible for the transportation of oil, gas, and domestic fuel distribution through bulk plants and air fueling units, and for Kingdom crude exports through terminals.

Al Sa’adi held the position of chief engineer of Saudi Aramco, and prior to that, he was president and CEO for Aramco Gulf Operations Company (AGOC), and Chairman of the AGOC Executive Committee, providing policy and direction to Al-Khafji Joint Operations. Al Sa’adi served professionally, and in a supervisory capacity domestically and internationally, over a multitude of engineering, refining, and project management fields, and he currently serves as Chairman of the Saudi Aramco Mobil Refinery (SAMREF).

Al Sa’adi joined Saudi Aramco in 1981 after earning his bachelor’s degree in chemical engineering from King Fahd University of Petroleum and Minerals. In 2000, he completed the Management Development program at Harvard Business School.

Ahmad is a father of five sons and one daughter. Ahmad values integrity, admires modesty, complements excellence, enjoys learning new skills, developing youth, and camping. He prides himself on his commitment to his family.

Faisal M. AlFaqeer
Faisal M. AlFaqeer
Board of Director

Dr. Faisal Mohammed AlFaqeer is The Vice President of Liquids to Chemicals in Saudi Aramco.  He brings 28 years of experience in the Petrochemicals and Refining Industries. He previously led Sadara Chemicals Company and different functions in Saudi Aramco, including Engineering Consulting Services, Research and Development, Refining and Gas Operations.

He was the Chief Executive Officer of Sadara Chemical Company for five years.  Over the course of his career at Saudi Aramco, Dr. AlFaqeer served as the General Manager of Aramco’s Ras Tanura Refinery, a complex refining facility. Prior to joining Ras Tanura Refinery, Dr. Faisal led Aramco’s Research and Development Center, where he was responsible for establishing various research satellite centers in North America and Europe.

He also served on Sadara’s Board of Directors from January to September 2017.

Dr. AlFaqeer earned a Master’s degree and Ph.D. in Materials Science & Engineering from the Pennsylvania State University, and a Bachelor’s degree in Chemical Engineering from King Fahd University of Petroleum and Minerals in Dhahran, Saudi Arabia.  In addition, he took part in several leadership and management training programs, including the University of Virginia Darden School of Business, Leadership Program.

Sulaiman M. Al Rubaian
Board of Director

Sulaiman M. Al Rubaian is the Manager for Facilities Planning Department, having been appointed to the role in mid-2020.  He has been overseeing the development of long-term plans that focus on value creation, identification of cost-effective options for capital projects, and leading front-end planning and approvals of capital projects. In addition, Sulaiman serves as a Director on Saudi Aramco Mobil Refinery (SAMREF) Board. 

Sulaiman also held the role of Manager in Project Management from August 2016 and has developed a wealth of knowledge from being exposed to a variety of experiences over the last 20 years. This includes Refinery Operations from his experience at Ras Tanura Refinery, Capital Projects Planning and Optimization in Facilities Planning, and execution of Mega Projects during his leadership of the Mega Jazan Program Development.

Sulaiman joined Saudi Aramco in September 1996 and obtained a Bachelor’s of Science degree in Chemical Engineering from Florida Institute of Technology in July 2001.

Additionally, Sulaiman successfully completed in 2018 Stanford University’s flagship Executive Development Program, and the Saudi Aramco Management Development Seminar in 2019 in addition to other leadership programs.

Musaad A. Sayouhi
Board of Director

Mr. Al-Sayouhi currently holds the position of Director, Finance Readiness & Compliance Department in Saudi Aramco, a strategic role that is tasked with ensuring Saudi Aramco ’s financial readiness and compliance for the potential upcoming IPO. In this role, Mr. Al-Sayouhi represents the Finance organization in all interactions, negotiations and discussions with the Government in relation to the Company’s IPO readiness, supports the Controller’s organization in the preparation and development of the Company’s annual and interim financial statements, leads the effort to enhance and accelerate the financial close process to meet regulatory requirements, coordinates the financial due diligence process and manages the team responsible for enhancing and developing FP&A tools and processes to manage the organization’s performance and improve the efficiency and quality of management reporting.

Mr. Al-Sayouhi comes with a wealth of experience in the Finance and Strategy fields – he started his career with Saudi Aramco as an accounting analyst in the Controllers organization and over the years he has broadened his experience and worked in a number of departments including Planning & Performance Management Department where he led the corporate business plan and accountability team, managed and coordinated the Company’s planning and budgeting process and provided analysis and advice to senior management on organizational performance and gaps. Mr. Al-Sayouhi has also gained valuable experience in the Strategy & Market Analysis organization where he participated in the development of the Company’s strategy, investment plan and the Kingdom’s energy outlooks. He was also a member of the Strategic Transformation Office of the Accelerated Transformation Program of Saudi Aramco.

Outside his notable achievements at Saudi Aramco, Mr. Al-Sayouhi was the Secretary of the Arabian Society for Human Resource Management (ASHRM) in 2007. He was also the Chairman of the Founding Committee of the Institute of Management Accountants (IMA) Saudi Arabia, Eastern Province Chapter. Once the Chapter was established in 2011, he assumed the role of President for three consecutive terms and then nominated to be a Director at Large for another year. Due to his significant contributions to the IMA organization, he was awarded the Leadership Platinum badge (the highest level) from the IMA Leadership Academy.

Mr. Al-Sayouhi holds a Bachelor of Business Administration in Accounting and HR Management from the University of Colorado at Boulder and an MBA with concentration in Accountancy, Economics and Financial Markets from McCallum Graduate School of Business, Bentley University in Massachusetts. He is a Certified Public Accountant (CPA) and Certified Management Accountant (CMA).