Harsh Agarwalla began their work experience as an Industrial Trainee at BOC India Limited in 2000. Harsh then joined the Industrial Development Bank of India as a Manager in 2003. In 2005, they moved to ABN AMRO Bank N.V. and held various roles including Financial Accountant, Business Analyst - Private Clients, Head of Finance, and Chief Financial Officer. In 2017, Agarwalla became the Chief Financial Officer at LGT – Private Banking und Asset Management.
Harsh Agarwalla completed their Chartered Accountant degree in Accounts & Finance from The Institute of Chartered Accountants of India from 1998 to 2002. Before that, they attended De Nobili School, Digwadih, Dhanbad from 1983 to 1994.