Guillaume Seillier
About Guillaume Seillier
Guillaume Seillier is an Operational Tax Specialist at Lombard Odier Group, where he has worked since 2019. He has over a decade of experience in tax management, having held various roles in prominent firms including Indosuez Wealth Management and PwC Switzerland.
Work at Lombard Odier
Guillaume Seillier has been serving as an Operational Tax Specialist at Lombard Odier Group since 2019. In this role, he focuses on operational tax matters, leveraging his extensive background in tax management. His responsibilities include ensuring compliance with tax regulations and optimizing tax processes within the organization. His tenure at Lombard Odier has allowed him to apply his expertise in the taxation of financial instruments and contribute to the development of tax reporting frameworks.
Previous Experience in Operational Tax
Before joining Lombard Odier, Guillaume Seillier worked at Indosuez Wealth Management. He held the position of Head of Operational Tax Unit from 2015 to 2018, where he managed operational tax functions. Prior to that, he was an Operational Tax Specialist at Indosuez for nine months in 2014. His experience at Indosuez provided him with a solid foundation in managing tax operations within the banking sector.
Experience at PwC Switzerland
Guillaume Seillier's career includes significant roles at PwC Switzerland. He began as a Tax Consultant for Individuals and Expatriates from 2010 to 2013, followed by a position as Tax Assistant Manager in the same domain from 2013 to 2014. He also served as a Tax Assistant from 2008 to 2010. His time at PwC equipped him with a comprehensive understanding of tax regulations and practices, particularly concerning individuals and expatriates.
Education and Expertise
Guillaume Seillier holds a Master of Arts in Political Science from Université de Genève, which he completed from 2004 to 2007. Additionally, he studied at ISFB - Institut Supérieur de Formation Bancaire, achieving a qualification in Produits dérivés in 2014. He also obtained a Certificat from Fédération des Entreprises Romandes in Swiss social security in 2012. His educational background complements his expertise in Swiss stamp duty, transactional taxes, and the taxation of financial instruments.
Skills in Team and Project Management
Guillaume Seillier possesses strong skills in team management and project management, particularly within the tax sector. His experience in various roles has enabled him to lead teams effectively and manage complex projects related to tax compliance and reporting. His ability to coordinate efforts across departments enhances operational efficiency and ensures adherence to regulatory requirements.