Marcus is a director of the Ashridge Strategic Management Centre. His research and teaching interests focus on corporate-level strategy, the links between strategy and organizational design and the use of outsourcing. His publications include Corporate-Level Strategy: Creating Value in the Multibusiness Company (John Wiley & Sons, Inc, 1994) as well as many articles in the Harvard Business Review, California Management Review and Long Range Planning.
Marcus has taught on a wide range of open and tailored programmes over the last 15 years at Ashridge. Prior to that, he had worked in Investment Banking, in strategy consulting, at the Boston Consulting Group in several countries, and as co-founder of a business that he subsequently sold to an Advertising group. He is now on the Boards of companies in three countries, on the Advisory Board of a Private Equity fund, and is a Professor at the London Business School, and a Visiting Professor at the Vlerick Business School in Gent.
Marcus holds an MA with Congratulatory Double First class honours from Christ Church, Oxford, and an MBA with High Distinction from the Harvard Business School, where he was a Harkness Fellow and the Ford scholar.