Simon Ayat

Director/Board Member at CAMERON INTERNATIONAL CORPORATION

Net worth: 1 M $ as of 31/05/2026

71 year

77 connections

Industrial Services

Non-Energy Minerals

Consumer Services

Profile

Simon Ayat is currently Director at Cameron International Corp.
since 2016, Independent Director at Tenaris SA, and Independent Director at Liberty Energy, Inc. since 2020.
Former roles include Director at Eurasia Drilling Co. Ltd., Non Executive Director at Coastline Exploration, Inc., Chief Financial Officer & Executive Vice President at SLB Ltd. from 2009 to 2020, Controller at Schlumberger Oilfield Services, Inc. from 1998 to 2001, Vice President-Finance at SchlumbergerSema, Inc. from 2001 to 2002, Group Controller at Wireline, Inc., and Controller at Forex Neptune Drilling Co. Education includes undergraduate studies at the University of San Francisco.

Known holdings in public companies

Company	Date	Number of shares	Valuation	Valuation date
LIBERTY ENERGY, INC. CLASS A 0.03%	18/02/2026	44,480 ( 0.03% )	1 M $	31/05/2026

Simon Ayat active positions

Companies	Position	Start
CAMERON INTERNATIONAL CORPORATION	Director/Board Member	01/04/2016
TENARIS S.A.	Director/Board Member	-
LIBERTY ENERGY INC.	Director/Board Member	31/12/2020

All active positions of Simon Ayat

Former positions of Simon Ayat

Companies	Position	End
SLB N.V.	Director of Finance/CFO	22/01/2020
Coastline Exploration, Inc. Coastline Exploration, Inc. Integrated OilEnergy Minerals Operates as an upstream oil and gas exploration and production company	Director/Board Member	02/02/2018
SchlumbergerSema, Inc. SchlumbergerSema, Inc. Information Technology ServicesTechnology Services Provides information technology solutions and services	Director of Finance/CFO	01/12/2002
Schlumberger Oilfield Services, Inc. Schlumberger Oilfield Services, Inc. Oilfield Services/EquipmentIndustrial Services Provides oilfield exploration services	Comptroller/Controller/Auditor	01/04/2001
EURASIA DRILLING CO LTD	Director/Board Member	-

See the detail of Simon Ayat's experience

Training of Simon Ayat

Experiences
Positions held

Active

Inactive

Listed companies

Private companies

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Connections

1st degree connections

1st degree companies

Male

Female

Members of the board

Executives

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Linked companies

Private companies	11
Cameron International Corp. Cameron International Corp. Oilfield Services/EquipmentIndustrial Services Manufactures and distributes flow equipment products & systems to oil, gas and process industries	Industrial Services
Schlumberger Ltd. Schlumberger Ltd. Contract DrillingIndustrial Services Designs and constructs wells and manufactures surface & midstream production systems	Industrial Services
Tenaris SA Tenaris SA SteelNon-Energy Minerals Manufactures and markets welded and seamless steel pipes	Non-Energy Minerals
Schlumberger Oilfield Services, Inc. Schlumberger Oilfield Services, Inc. Oilfield Services/EquipmentIndustrial Services Provides oilfield exploration services	Industrial Services
Eurasia Drilling Co. Ltd. Eurasia Drilling Co. Ltd. Contract DrillingIndustrial Services Provides onshore and offshore oil drilling services	Industrial Services
University of San Francisco University of San Francisco Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
SchlumbergerSema, Inc. SchlumbergerSema, Inc. Information Technology ServicesTechnology Services Provides information technology solutions and services	Technology Services
Wireline, Inc. Wireline, Inc. Investment ManagersFinance Functions as an alternative investment manager	Finance
Forex Neptune Drilling Co.
Coastline Exploration, Inc. Coastline Exploration, Inc. Integrated OilEnergy Minerals Operates as an upstream oil and gas exploration and production company	Energy Minerals
Liberty Energy, Inc. Liberty Energy, Inc. Oilfield Services/EquipmentIndustrial Services Provides oil and gas field hydraulic fracturing services	Industrial Services