Our team is led by four former Senior Directors of a highly successful institutional and private equity real estate business who have worked together for 18+ years
Nathan Hargreaves
Co-CEO and Fund Manager
Nathan has over 23 years of direct commercial property experience and has worked with Founding Partner Sandy Wilson for over 16 years. He joined Columbia Threadneedle in 2005 and was fund manager of the c.£2bn Threadneedle Pension Property Fund from 2009 to 2020. During his tenure, Nathan took a lead role in the acquisition and disposal of c.£2.7bn of leveraged and unleveraged UK CRE transactions. Nathan is a member of the Northtree Board of Directors.
Sandy Wilson
Co-CEO and Fund Manager
Sandy has over 24 years of direct commercial property experience and has worked with Founding Partner Nathan Hargreaves for over 16 years. He joined Columbia Threadneedle in 2002 and between 2007 and 2020 managed funds including the c.£700m UK Zurich Life Fund, c.£1.7bn UK Zurich Pension Fund and the c.£300m Carbon Neutral Real Estate Fund. During his tenure, Sandy took a lead role in the acquisition and disposal of c.£3bn of leveraged and unleveraged UK CRE transactions. Sandy is a member of the Northtree Board of Directors.
Ben Tizard
Chief Finance Officer
Ben has over 17 years’ experience in commercial real estate fund management and is a director of Northtree. Previously Head of Business Growth Delivery at Columbia Threadneedle, Ben has amassed a wealth of accounting, tax and real estate fund operations experience across a range of institutional and closed end “private equity” strategies. At Columbia Threadneedle, he was responsible for implementing change initiatives across the Operations Team, completing numerous closed end fund launches across multiple real estate investment cycles and acted as principal contact for the completion of multiple external debt facilities totalling >£2BN. Ben is a member of the Northtree Board of Directors.
Chris Ward
Head of Asset Management
Chris has over 17 years’ experience in direct commercial property and is a Director of Northtree. Previously Director and Co. Head of Asset Management at Columbia Threadneedle, Chris successfully managed assets in all sectors throughout the UK across a range of open ended and closed ended business strategies. At Columbia Threadneedle, he was jointly responsible for managing the team of asset managers and property oversight managers, with an AUM of circa £8bn and approximately £450m of annual rental income. Chris is a member of the Northtree Board of Directors.
Ted Reus
Director of Asset Management
Ted has over 10 years experience in real estate and construction and is a Director of Asset Management at Northtree. Previously a Director at CBRE, Ted has a proven track record of delivering real estate transactions across the UK and European markets predominantly focused on FTSE 100 corporate occupiers. At CBRE he was responsible for strategic portfolio management, site acquisitions and financial analysis for both leasehold and freehold transactions across various asset classes and sectors.
Anne Johnstone
Head of ESG
Anne was previous Partner and Head of Environment, Energy and Sustainability at Hollis, with over 20 years’ experience in the environmental and sustainability sectors. Anne has developed net zero carbon strategies and supporting policies for a variety of CRE clients and has completed environmental and sustainability due diligence on thousands of assets across all real estate sectors, from prime central London assets through to regional out of town offices, industrial estates and retail warehouses. Anne is Founder and Director of Fair Futures Partnership and took a lead role in the delivery of ‘After the Pandemic @ COP’ as part of COP26 held in Glasgow in 2021. She also sits on the Construction Scotland Innovation Centre’s governance board and is an Investment Property Forum Scottish Committee member. Anne is a member of the Northtree Board of Directors.
Chris Watts
Head of Planning
Chris is a qualified planner with over 17 years of professional experience across all real estate sectors. Chirs has a strong track record in delivering market-facing planning outcomes for complex town centre development, retail asset management and repurposing logistics, data centres, roadside and meanwhile assets. Chris has worked extensively with the wider Northtree team on numerous projects over a 10 year+ period and heads Northtree strategic planning advice.
Leona Ahmed
Investment Committee Chair
Leona brings over 30 years of real estate experience, including as Head of Real Estate and Head of London HQ at an international law firm. She has advised on landmark transactions across the City of London and key UK sectors, acting for institutions, sovereign funds, family offices and UHNWs globally. She is one of a small handful of UK specialists in Shariah-compliant investment, structures and financing, with deep experience advising Asian and Middle Eastern capital across offices, industrial/logistics and the living sector.
Tim Bowring
Investment Committee Member
Tim is a former Managing Director and Head of Private Equity and Real Estate for EMEA and Asia at Citi Private Bank, and more latterly Citi Global Wealth. At Citi, Tim led a team responsible for the research, onboarding and structuring of 3rd party funds as well as advising private clients on their direct real estate investments. He also sat on the Global Alternatives Investments Operating Committee and the EMEA Investment Leadership Team. He is a highly experienced Private Equity and Real Estate professional with over 35 years of commercial real estate experience.
Campbell Flemming
Investment Committee Member
Trained as a barrister in Australia before moving to the UK in 1995 and into the investment management industry in 1997, with Robert Fleming Asset Management (RFAM). Formerly Global Head of Distribution with Aberdeen Standard Investments, CEO of Columbia Threadneedle Investments and Head of UK for JPMorgan Asset Management after the merger of JPMorgan and Chase which had acquired RFAM. He also chairs The Big Exchange Limited and has served on various industry bodies and boards. Joined Ruffer’s Board and its sub-committees in July 2021.





