Nathalie Castel holds a master's degree in economics and a DESS CAAE (certificate of aptitude for business administration) from the IAE of Rouen. Nathalie Castel works in banking with companies. At the same time, she trains branch managers and advisors on financial analysis and corporate finance at the banking profession's training center. She joined NEOMA BS in 2003 and teaches accounting, management accounting and financial analysis in the GBBA and PGE programs. Since 2013, she has been an accounting manager for a human resources audit firm.