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Ronan Guyader Email & Phone Number
CEO and PDG
at
GEFI
1 work email found
@airliquide.com
LinkedIn matched
✓ Verified July 2026
4 data sources
Profile completeness 100%
Who is Ronan Guyader? Overview
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Quick answer
Ronan Guyader is listed as CEO and PDG at GEFI, a with 7 employees, based in Greater Lyon Area, France. AeroLeads shows a work email signal at airliquide.com and a matched LinkedIn profile for Ronan Guyader.
Ronan Guyader previously worked as CEO / PDG at Gefi and Dirigeant/ Owner at Rg Entreprises Holding. Ronan Guyader holds Master'S Degree, General Sales, Merchandising And Related Marketing Operations from Université Paris Dauphine.
Company email context
Email format at GEFI
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{first}.{last}@airliquide.com
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Profile bio
About Ronan Guyader
14 ans en Business Développement et 6 ans en Direction Générale de filiales à l’étranger m’ont donné un savoir-faire solide s’appuyant sur un savoir-être authentique pour réussir dans la direction d’une entreprise 14 years in Business Development and 6 years in General Management of foreign subsidiaries give me a robust know-how on the strength of genuine soft skills to make a success in the entrepreneurship " You’re neither right nor wrong because other people agree with you. You’re right because your facts are right and your reasoning is right – that’s the only thing that makes you right. And if your facts and reasoning are right, you don’t have to worry about anybody else "Warren BuffettCette expérience de vie professionnelle m'a amené à acquérir la société GEFI en Décembre 2021.GEFI a une très forte culture tournée vers le client en apportant des Solutions dans le domaine du Vide, de la Surpression et des dalles/couvercles/trappes en composite depuis plus de 35 ans.Vous pourrez trouver en détails notre philosophie de travail à travers le site internet et cette courte vidéo résumant notre savoir-faire et savoir-être au service de nos clients et prospects: https://www.youtube.com/watch?v=aHffbaIW02g
Listed skills include Microsoft Office, Microsoft Excel, Strategic Planning, New Business Development, and 15 others.
Current workplace
Ronan Guyader's current company
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Gefi
11 roles
Ronan Guyader work experience
A career timeline built from the work history available for this profile.
Ceo / Pdg
Dirigeant/ Owner
Electronic Materials Business Europe Director
> Global leadership (purchasing, marketing, quality and communication) of business in Electronics specialty gases (35 M€ / year) in Europe> Sales Development (+10% / year) with positive profitability leverage (+250 bps)
Jul 2017 - Mar 2021
Managing Director Saudi Arabia
> Business growth of the subsidiary and safeguarding of integrity and security (ZERO accident) of 245 workers> Leading of 4 industrial sites of industrial gases for an annual turnover of 45 M€ / year> Restructuration of the affiliate to prepare the “after-oil”> Implementation and adaptability of the strategy of the group in Saudi Arabia including the local specificities
Jan 2016 - Jun 2017
Managing Director Ghana
> Subsidiary’s recovery of 70 employees for 9 M€ / years in a challenging social and financial context> Return to growth of business (+20% / year)> Financial floating of the affiliate (+1.5 M€ cash)> Implementation of an ambitious efficiency program (450 K€ / year) > Signature of contracts with industrial and financial partners
Mar 2012 - Dec 2015
Sales Regional Manager Centre-Bourgogne France
> Leading commercial team of 12 persons for an annual turnover of 45 M€ > Execution of price campaigns (methodology deployed nationally) > Vice-Regional director responsibilities> Application and Development of commercial policy
Mar 2008 - Feb 2012
Business Development International Marketing Manager
> Writing and deployment of Business Plan on Helium, a strategic molecule> Release of first B to C product in Air Liquide group> Project manager Middle-east of new industrial site of Helium
Apr 2005 - Mar 2008
Key Account Automotive (Psa & Renault) Manager
> Recruitment of a team to manage the automotive key accounts of PSA & Renault (5 persons)> Business Development of 20% / year with an annual business portfolio of 4 M€> Negotiation of long-term strategic contracts
Mar 2003 - Mar 2005
Sales Engineer
Development of applications of industrial gases in secondary electronics and heat metals treatments
Mar 2000 - Feb 2003
Electronics Product Manager
Market analysis on Semiconductor in USAAssistant of Operating ControllerPromotion of new offers in USA in Semiconductor industry
Dec 1998 - Feb 2000
7 education records
Ronan Guyader education
Master'S Degree, General Sales, Merchandising And Related Marketing Operations
Executive Education, Competitive Strategy
Executive Education, Customer Focus
Executive Education, Learning To Lead
Master'S Degree, Electrical, Electronics And Communications Engineering
Education record
Lycée De La Vallée De Chevreuse
Education record
Lycée De La Vallée De Chevreuse
FAQ
Frequently asked questions about Ronan Guyader
Quick answers generated from the profile data available on this page.
What company does Ronan Guyader work for?
Ronan Guyader works for GEFI.
What is Ronan Guyader's role at GEFI?
Ronan Guyader is listed as CEO and PDG at GEFI.
What is Ronan Guyader's email address?
AeroLeads has found 1 work email signal at @airliquide.com for Ronan Guyader at GEFI.
Where is Ronan Guyader based?
Ronan Guyader is based in Greater Lyon Area, France while working with GEFI.
What companies has Ronan Guyader worked for?
Ronan Guyader has worked for Gefi, Rg Entreprises Holding, and Air Liquide.
How can I contact Ronan Guyader?
You can use AeroLeads to view verified contact signals for Ronan Guyader at GEFI, including work email, phone, and LinkedIn data when available.
What schools did Ronan Guyader attend?
Ronan Guyader holds Master'S Degree, General Sales, Merchandising And Related Marketing Operations from Université Paris Dauphine.
What skills is Ronan Guyader known for?
Ronan Guyader is listed with skills including Microsoft Office, Microsoft Excel, Strategic Planning, New Business Development, Project Management, Customer Service, Negotiation, and Sales Management.
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