About Willis Towers Watson

Willis Towers Watson (NASDAQ: WLTW) is a leading global advisory, broking and solutions company that helps clients around the world turn risk into a path for growth. With roots dating back to 1828, Willis Towers Watson has 40,000 employees in more than 140 countries.

We are the leading provider of actuarial consulting services and software solutions to most of the world’s top 300 pension funds. We deliver the best approaches to design, funding, governance, administration and communication to most of the world’s top 300 pension funds. We serve 75% of the Fortune 500 and are the actuary to 40 of the 100 largest corporate pension funds in the UK.

We have a wide and diverse client base, with pension schemes ranging in size from a few million to tens of billions of pounds. Ultimately, we work with our clients to develop tailored and effective management solutions through our consulting services, coupled with our market-leading technology.

Key facts


We provide advice to 48 of the 100 largest UK pension funds (Pension Funds Online 2015).


Retirement services chosen by 57% of FTSE100 and 27% FTSE350 companies.


Not just for the biggest pension funds –  2/3 of our clients have assets of less than £500 million.


Fortune magazine has included Willis Towers Watson on its list of the World’s Most Admired Companies in 2012, 2013, 2014 and 2015.

About Asset Liability Suite

Asset Liability Suite is Willis Towers Watson’s defined benefit (DB) pension fund management software, which gives you the power to deliver the best outcomes for your pension scheme.

Asset Liability Suite is a powerful, reliable, modular, web-based software platform designed to support your planning, monitoring, reporting and decision-making needs. The modular nature of Asset Liability Suite means we can deliver the data required for scheme-specific solutions in a cost-effective manner.

Whether you are a Corporate Sponsor, Trustee or Investment Specialist, you are most likely facing increasing pressure to control the risks and costs of your DB pension arrangements. Asset Liability Suite provides you with up-to-date asset, liability and risk information on a daily basis, so that you have the management information required to help you achieve your aims in running your DB pension scheme efficiently.

Key facts


198 companies, 230 schemes, with pension liabilities of around £500 billion, track their scheme using Asset Liability Suite.


23% of the liabilities of Pension Protection Fund eligible DB schemes on a buyout basis are tracked in Asset Liability Suite. These include more than half of the top 10 UK pension schemes.


Around 40 of the clients tracked in Asset Liability Suite have assets of less than £500 million.

£20m – £48bn

Asset Liability Suite is used for schemes ranging in size, from those with liabilities under £20 million to those with liabilities in the tens of billions of pounds.

Our Technical Experts

Corporate Sponsors
Christopher Woolham
+44 161 833 7280

Chris acts as Willis Towers Watson’s Accounting Module (Channel) Technical Expert with responsibility for training and assisting a network of professionals in the UK to set up the software and resolve any issues. He has been involved with the Asset Liability Suite software since the start of 2013, when he was involved with the development and roll-out of the Accounting Module for the UK market. Chris has been working at Willis Towers Watson since 2008 as a consultant in the retirement business. His experience covers DB funding and investment work as well as other software related roles. Chris graduated with a first class Master of Mathematics (MMath) degree in Mathematics from the University of Liverpool in 2007.

Corporate Sponsors / Trustees
Martin Reilly
+44 173 728 4921

Martin acts as a Technical Expert for Willis Towers Watson’s trustee and corporate clients using Asset Liability Suite. Martin qualified as an actuary in 2010, and has a background in consulting for large DB pension schemes. His varied experience includes funding valuations, accounting under international accounting standards and liability management projects, including settlement. Asset Liability Suite lies at the heart of this work, and Martin helps our clients develop and implement their pension strategies using the software. Martin graduated with a first class (Hons) Mathematics degree from the University of Warwick.

Investment Specialists
Tom Wood
+44 173 728 4950

Tom is a senior member of the Strategic Investment Modelling Solutions team at Willis Towers Watson and specialises in designing and delivering investment and risk modelling and monitoring solutions for pension funds and other institutional investors. In his role, Tom has played a key part in developing the Risk and Modeller Modules in Asset Liability Suite. Tom started his actuarial career at Willis Towers Watson in 2001 in the pension and benefits consulting team, before becoming an investment consultant in 2008, advising pension schemes on investment strategy and later specialising in the design and delivery of software modelling solutions. Tom graduated with a Master of Physics degree from Sheffield University.

Katie Brittles
Corporate Sponsors / Trustees
Katie Brittles
+44 173 727 4409

As national Sales and Marketing Lead for Asset Liability Suite, Katie works closely with our clients and their consultants to develop effective monitoring solutions, bringing to life the delivery of their key strategic objectives. Katie qualified as an actuary in 2016, and is also an active consultant supporting DB pension schemes that range in size from £30m to £10bn. Her experience includes funding support, journey planning, investment strategy and accounting under international accounting standards. Katie graduated with a first class Masters of Physics (MPhys) degree from the University of Durham.

Our Executive Sponsors

Corporate Sponsors
Nicola van Dyk
+44 173 727 4386

Nicola is a leading UK Corporate Consultant at Willis Tower’s Watson, specialising in advising corporate clients on pension strategy, funding, investment, risk management issues and accounting. Nicola also acts as corporate consulting lead for our Reigate office. Recognising the importance of efficient and effective delivery of key decision-ready information to corporate clients, Nicola took up an active role in the development and evolution of Asset Liability Suite shortly after its inception. Nicola joined Willis Towers Watson in 2000 and prior to her corporate-focused roles, Nicola spent many years advising UK trustee boards. She holds a degree in Actuarial Science and Mathematics from the University of the Witwatersrand and is a qualified actuary.

Neil Wharmby
+44 173 728 4739

Neil is a Senior Actuarial Consultant at Willis Towers Watson, focusing on delivering pensions advice to trustees and sponsors of large DB schemes. As part of his role, Neil has been instrumental within Willis Towers Watson in improving the availability of more frequent, yet still robust, management information to pension scheme stakeholders, including through our Asset Liability Suite software. Neil was a member of the Actuarial Software and Calculations Working Party established by the Institute and Faculty of Actuaries. Neil graduated from the University of Durham with a first class (Hons) degree in Mathematics and also holds a Master of Advanced Studies degree from the University of Cambridge.

Investment Specialists
Alasdair MacDonald
+44 173 727 4656

Alasdair currently acts as Chief Investment Officer of Willis Towers Watson’s UK Investment Advisory business, having previously managed our investment strategy team for three years. In his current role, he is responsible for all of our intellectual capital around investment strategy and risk management. Alasdair was instrumental in the design of the Willis Towers Watson asset model when he first joined in 1999 and remains a key member of the Investment Assumptions Committee which oversees the calibration of the model. Alasdair acts as the strategic investment advisor for a number of large UK and Euro-zone pension funds in addition to carrying out project work for insurance companies and sovereign wealth funds. Alasdair graduated with a mathematics degree from Trinity College, Cambridge.

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