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Team Semarchy

Talented practitioners, driven by dedication

We’ve brought outstanding data and digital transformation innovators together to create Semarchy. The result is a team that pursues bottom-line impact — and that places your success at the heart of our strategy.

A Culture of innovation

When you choose the Semarchy Unified Data Platform, you’ll have an accessible team of data innovation experts on your side. We deliver turnkey support and mentorship, working to drive new data strategies for enterprises around the world. Our customer successes tell the story best.

A team of experienced leaders

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Thorwald (T.H.) Herbert

Chief Executive Officer

TH Herbert is the Chief Executive Officer of Semarchy. He has an extensive history and experience in Enterprise Software Technologies across Sales, Services, Technical, and Executive Management.

Prior to joining Semarchy, TH held various executive and sales leadership positions in International Technology organizations. He was Senior Vice President of Sales for AST Corporation, a large System Integration Firm, as well as Head of Operations in Australia, APAC, and Europe. TH has also previously worked as the CIO of Profitline a Telecom Services Company in San Diego, several startups, and spent over 7 years at Siebel and Oracle prior to that.

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Arthur Roke

Chief Financial Officer

Arthur has responsibility for the company’s financial and administrative operations.  He has substantial executive experience with growth-oriented technology companies in healthcare, medical device, and software, and services.

Prior to joining Semarchy, Arthur was the CFO of TearFilm which was acquired by Alcon/Novartis, was the CFO and member of the founding management team of MD Revolution, and previous to that was the CFO of EMD Biosciences division of Merck KGaA.  Arthur is a Certified Public Accountant and began his career at Arthur Andersen & Co in Washington DC.

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FX Nicolas

Chief Product Officer

François-Xavier “FX” Nicolas is responsible for all aspects of the success of Semarchy products from specification through to introducing them to the market.

FX was Principal Product Manager for Oracle Fusion Middleware, in charge of the data integration product portfolio. Prior to Oracle, he was a Product Manager at Sunopsis.

Besides being our in-house expert on all things Semarchy, FX is a father of three, husband, lives near Lyon, has over 14 years of Aïkido martial arts experience, and is an avid gamer.

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Brett Hansen

Chief Marketing Officer

Brett Hansen is responsible for global Marketing.  He has two decades of experience in general management, marketing, product, and strategy leadership positions.  

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Sébastien Arod

Chief Technology Officer

Sébastien Arod is responsible for leading & scaling Semarchy’s R&D organization.

Sébastien has a strong background working on enterprise data software. He was Principal Software Engineer at Oracle working on Oracle Data Integrator and prior to Oracle he was a Software Engineer at Sunopsis.

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Arnaud Mergey

Chief Technology Officer, Data Integration

Arnaud currently leads the Semarchy Data Integration R&D organization since the Stambia acquisition.   Prior to that position, Arnaud was the Chief Software Architect for xDM, from the very first day. Prior to that, he was the principal member of the technical staff at Oracle for Oracle Data Integrator. Before Oracle, he was a software engineer at Synopsis.

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Herve Chapron

VP & General Manager, EMEA

Herve Chapron is leading sales and operations in EMEA. Herve has a strong background of 24 years in Enterprise Data Software.  Before Semarchy, he spent 12 years at Qlik in Sales and Alliances leadership positions.

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Matthew Frazier

VP of Sales, Americas

Matthew leads the sales teams across the Americas, and is responsible for new client acquisition as well as upsell opportunities for existing clients. Matthew has more than 18 years in IT Sales and a background in Mergers and Acquisitions.

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Iris Houlihan

Chief of Staff

Iris Houlihan is responsible for operational efficiency at Semarchy.

She joined Semarchy as Director of Finance and Operations in 2019. Prior to Semarchy, Iris held various Senior Management positions in the pharmaceutical industry. Most recently she was Director of Global Operations at Sanofi Pharmaceuticals.

Iris has three grown children and loves spending time with her numerous rescue pets (including 1 horse) and goes riding on weekends.

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Joshua Stock

VP of Customer Success

Josh leads service delivery operations at Semarchy, and is responsible for Onboarding, Customer Success, Expert Services and Customer Support.  Josh has nearly 20 years of experience in service delivery operations and has held senior leadership roles for several enterprise software companies.


Virginie Moizan

HR Business & Talent Leader

Virginie is French but she grew up in Asia where she lived until she was 17.

She graduated from the French business school, EDHEC. She has been working in HR for more than 15 years, holding positions in recruitment firms, consulting firms, and finally, software companies. She is now Semarchy’s HR Business & Talent Leader.

She is a mother of 2 and has a passion for traveling but also loves hiking on weekends in the Lyon region countryside, where she currently lives.

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Vaibhav Mishra

Regional Leader, India

Vaibhav graduated from the Indian Institute of Technology (BHU). With 15 years of experience in Data Integration and Management, he is responsible for managing Semarchy’s India office and is a part of the Technical Services team driving high-quality support worldwide.

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