Meet Our Team

Jean-Marie Painvin is Founder and CEO of JMC Family Office since 2012 and acted previously as Chairman of the Board and CEO of Deutsch Group, the world leader in high-performance connectors with a presence in more than 25 countries and over 3.500 employees. In 2011, Deutsch Group achieved sales of around $680m.

Jean-Marie was instrumental in growing Deutsch into the world-class and global business that it is today. He integrated three largely autonomous companies into one worldwide company, expanding overseas and developing a blue chip client base, as well as successfully navigating through the economic turmoil following the 2008 financial crisis. In April 2012, nearly six years after the successful sale of the Deutsch Group to Wendel, Deutsch was sold for $2.1 billion to TE Connectivity.

Jean-Marie is a board member of Summer Search, a US philanthropic organization working with low-income high school students for the last 25 years.

Jean-Marie graduated from Rice University, receiving a master’s degree in mechanical engineering. He serves as a director on various boards, including Parrot SA; JTI a service provider for engineering and construction market; Si02 an Industrial Company in the Pharmaceutical industry; Ode à La Rose same day delivery florist in the North East of United States, JMC Investment in Private equity and Asset Management in US equity long only.

Jean-Marie is a keen golfer and is a member of Piping Rock Golf and Country Club in New York and has chaired Golf du Medoc in France for 7 years.  

Jean-Marie lives in New York City with his wife Carlota Seydoux and has 6 children and 4 grandchildren.

With more than 30 years of experience in private industry (Deutsch, Parker Hannifin) and public accounting, Tom Sadusky brings exceptionally broad financial and operational expertise to JMC.

His past achievements include leading roles in merger & acquisition activity including deal negotiation, diligence, and operational integration.

Tom is skilled at all aspects of growing a business. From financial review and planning to the development and implementation of operational policies and controls, including HR, IT, global sourcing and internal audit processes. He also successfully established a start-up manufacturing operation in India.

He holds an MBA in Management from Hofstra University, a Bachelor of Science in Accounting from Long Island University and was a Certified Public Accountant in New York State. His greatest passion in life is his family.

Emily has been with JMC Investment since it was founded in 2012 and serves on numerous boards for the family office. In addition to advising our portfolio companies, she works with the team to review potential new investments. Emily brings valuable strategic and financial expertise to the team, having worked at an operating company and in investment banking.

Previously, Emily led the M&A efforts of the Deutsch Group as the Director of Corporate Development.

Prior to working with Deutsch, Emily advised private, public, and private equity clients at Houlihan Lokey. She advised on buy-side, sell-side, financing, transatlantic, and distressed transactions. She focused primarily on the automotive, aerospace and defense industries.

Emily graduated from Claremont McKenna College with a BA in Economics and International Relations.

She is fluent in English and French, speaks basic Mandarin Chinese, and enjoys traveling with her family in her spare time.

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John joined JMC in February 2022. He is responsible for sourcing and executing direct investments. In addition, he leads efforts to expand JMC’s co-investment relationships.

John brings eight years of transaction experience advising, underwriting and structuring both debt and equity investments. Most recently, John was a member of Hilco Global’s asset based lending advisory group.

John graduated from Hillsdale College with a degree in finance. A former college basketball player, he is now an avid runner and cyclist and enjoys traveling and spending time outdoors in his free time.

Sebastien joined JMC in May 2016. He is responsible for due diligence support, market research and financial analysis on deals. In addition he provides research and business support to all of JMC’s portfolio companies.

Prior to JMC, Sebastien spent five years in China, during which he gained international business experience and mastered advanced Mandarin Chinese. While in China he worked for the USA Pavilion at the World Expo in Shanghai, the online analytics firm Gridsum and later founded an English language training center.

Sebastien holds a Masters in International Affairs from Columbia University’s School of International and Public Affairs, and a Bachelors in Economics and Chinese from Trinity University. In his free time he enjoys writing, learning new languages and eating good food.

Growing up on Long Island, Thomas attended Long Island University where he earned his bachelors degree in Accounting.

Prior to joining the JMC Family Office team, Thomas worked as a business manager for nearly a decade providing financial and accounting services to high-net-worth individuals and their respective businesses.

After living in NYC for 11 years, Thomas recently made the move to suburbia and currently resides in Westchester.  When Thomas isn’t working you will find him traveling, golfing or dining at one of New York’s premier restaurants.

Prior to joining JMC Frederic had extensive experience in managing mid/small size industrial companies operating on worldwide markets in which he has developed change management and continuous improvement programs to optimize operations.

He also has functional expertise in HR, Quality and Lean management acquired within Deutsch Group.

His industry knowledge covers Oil & Gas, Aeronautics, Railway and Construction.

Frédéric lived in the US (New York and Houston) for more than 5 years and now resides with his family in Paris.

He graduated from Ecole des Mines de Douai and holds an executive MBA from Edhec Business School.