After leaving Warwick University with a degree in Pure Mathematics, Marek qualified as a Chartered Accountant with Price Waterhouse prior to joining Candover at the end of 1986. Over the next twenty five years he led over thirty deals with an aggregate value of over £8bn. He has operated in a diverse range of sectors including financial services, insurance, energy, leisure support services and industrials. He retired as Chairman of Candover/Arle Capital partners at the end of 2011. He is now a Director of 24 Haymarket, an active group of investors providing private capital to a range entrepreneurial ventures in fields including information and communications technology, sport and nanotechnology.