Andrea Ash joins from Tesco’s pension fund to focus on unlisted growth assets. : Sweden’s experience with the Premium Pension system shows how arduous dismantling of poorly constructed architectures can be Alternative risk premia strategies can be helpful for institutional investor portfolios through diversification and risk reduction The UK’s industry-wide pension scheme for the railway industry has hired Andrea Ash as an investment director for its growing private markets team. Ash joins from Tesco Pension Investments, the in-house asset manager for the £13.2bn (€15bn) Tesco Pension Scheme, where she was an alternatives fund manager.