Led by Graham Tuckwell, a pioneer in the ETF industry, the ETFS Capital team is a cohesive group of professionals with complementary skills and a strong background in managing and growing businesses within the ETF eco-sphere

Graham Tuckwell

Graham understands what it takes to build a company from scratch and achieve extraordinary growth. He revolutionised commodities trading over three decades ago, transforming a natural aptitude for numbers and love of macroeconomics into highly innovative, international financing structures that delivered results.

Following degrees in Economics and Law, Graham gained practical grounding with advisory roles at the Department of the Prime Minister and Cabinet of Canberra, as well as Credit Suisse, First Boston and Schroders.

As a pioneer of new thinking, Graham launched gold bullion securities that represented the world’s first commodity listing on a stock exchange. He went on to establish ETF Securities in 2005, personally funding, trading and expanding oil securities from a national platform into a global provider of exchange-traded products.

Graham feels privileged to now educate and guide investee companies through ETFS Capital; providing them with top-tier expertise and tools to succeed through strategic business advice and capital.

Mark Weeks

Mark is a highly experienced senior executive who has proven himself at some of the world’s foremost financial institutions.

Mark was instrumental in transforming ETF Securities from an entrepreneurial start-up to a strong operating firm which adopted best of breed internal structures for compliance, risk management and financial reporting. He helped develop the executive team into a highly productive collaborative group who continued to grow under his management style.

Mark joined ETF Securities from UBS where he ran the highly successful Securities Lending franchise in Zurich. Prior to this, he spent 7 years at Goldman Sachs International where, as a Managing Director, he was responsible for running the European Securities Finance sales and trading desk, servicing major institutional and hedge fund clients. This desk formed a core part of Goldman Sachs’ Prime Brokerage business. Before being appointed at Goldman Sachs, Mark joined London Global Securities in 1993, as Global Head of Securities Finance sales.

Joe Roxburgh

Joe brings a wealth of global, cross-sector financial leadership expertise having trained with Big Four KPMG and through successive Group Finance Director / CFO roles since 2004. Joe is a tenacious strategist, with EMBA, FCA and AMCT credentials, who influences Board-level decisions and strategic partnerships, and creates agile finance and IT functions that maximise profitability and cash flow.

Joe was appointed CFO of ETF Securities in 2012 and became CFO of ETFS Capital in 2018. With oversight of the largest provider of commodity ETPs in Europe, Joe embedded infrastructure that ensured better outcomes and seamless financial management of global ETF products.

Highly skilled at building passionate, motivated and high-performing teams, Joe has exemplary people management and client‑facing skills, and quickly identifies priority issues, improvement strategies and corporate targets.

Joe balances commercial market conditions with risk appetite, enabling clients to shape and define business direction and overcome obstacles.


Having held various board positions, both within FCA regulated businesses and as an Investor Director on portfolio companies, Martyn has the skill and commercial acumen to guide companies through successfully building out their businesses to maximum potential.

Prior to his commercial role with ETFS Capital, Martyn joined ETF Securities in 2010, becoming General Counsel in 2014 and, as part of its Senior Management team, led the highly successful sale process of its European and US ETP businesses.

Martyn has a wealth of cross-border and international legal experience, having structured and negotiated joint ventures and corporate partnerships throughout Europe, the US, and Asia Pacific.

Holding an LLB (Hons) degree in Law from Durham University, Martyn joined the Private Equity team of leading City firm, Travers Smith, in 2006. During his time as a private practice corporate lawyer, he advised many private equity sponsors, corporates, entrepreneurs, founders and management teams on a broad range of M&A and corporate transactions.

Chloe Barlass

Chloe is an expert in bringing our global networks and business insight closer to clients, helping investors establish clear, consistent business frameworks, procure international premises and staff, and develop their operational portfolios.

Chloe is CIPD qualified and understands the importance of modern infrastructure, robust recruitment and negotiating optimum terms, having directed office launches in New York, London and Hong Kong. Additionally, she has sourced specialist staff from across the globe and is well versed in handling international payroll, taxation, mobility and compliance issues.

Prior to ETFS Capital, Chloe spent seven years in office management and customer services, where she oversaw offices with over 30 clients.

Today Chloe offers a diversity of tailored services – providing planning, preparation and operating support to investment management – enabling clients to grow their business, launch new initiatives, and optimise people, process and systems that underpin long-term strategy.

Ian Lansdell

Ian is CIMA qualified, with a decade of financial management experience, and has been an integral part of the ETF eco-sphere since 2011. Ian helps investee companies understand their business through clear and focused client collaboration. He combines strategic leadership with technical expertise and attention to detail to create cutting-edge financial models that deliver valuable business insight, and optimise client profitability and cash flow planning.

Prior to his current role, Ian was Financial Analysis Director at ETF Securities, where he implemented progressive financial infrastructure that harmonised emerging technology with business requirements. He also projected financial scenarios that were crucial to the ultimate sale of its businesses.

Naturally inquisitive, Ian adopts a holistic approach to gain fresh perspective and add value to client investments. He oversees business progression and facilitates clear leadership decisions through highly intricate, multi-layered financial reporting as a key business partner.