Ton Lahaije studied business administration and law in Rotterdam at the Erasmus University. In 1987 he started in Amsterdam in the corporate training at ABN Bank. Ton has held various positions at the investment bank (later ABN AMRO).

Since 1999 Ton has worked for the single family offices Dinvest and New Waves Investments. Within general asset management, the emphasis was on private equity. Ton has more than 20 years of experience with direct and indirect investments in private equity. In his spare time Ton likes to travel and he does running and fitness.