+353 1 662 3001 info@greshamhouse.ie

Investment team

Patrick J Lawless
Patrick J Lawless
Chief Executive Officer

Patrick founded the Company in 2002 after completing the management buy-out of the private client arm of Aberdeen Asset Management Ireland Limited. He has over 30 years’ investment experience in the fund management, stockbroking and private banking businesses and was Head of Investment for ABN AMRO Bank in Ireland.
He is a qualified Investment Analyst, is a member of the Chartered Financial Analysts Institute and the Society of Investment Professionals in the UK and Ireland. Patrick is also a member and director of the Board of the Irish Association of Investment Managers (IAIM).

Niall Dineen
Niall Dineen
Chief Investment Officer

Niall takes the lead in managing our large cap equity portfolios. Niall has over fifteen years’ successful experience in Fund Management. Previously, he worked with AGF, a Canadian mutual fund company, where he held the position of Senior Portfolio Manager. Niall has considerable experience in managing Global Equity Portfolios and has spent periods of time working in North America and Asia. Niall is a qualified investment professional, holding an MBS in Financial Services from University College Dublin and the Chartered Financial Analyst designation.

John Mattimoe
John Mattimoe
Senior Fund Manager

John's primary responsibility is managing our Small Company Fund. John previously worked with Merrion Stockbrokers where he held the position of Senior Equity Analyst. He previously worked for Norwich Union Investment Managers and NCB Stockbrokers. John who holds an MSc in Investment and Treasury from Dublin City University was voted Finance Magazine's Analyst of the Year in 2007 and 2008. John is a registered representative of the Irish Stock Exchange and an associate member of the Chartered Institute for Securities & Investment.

Pat Kilduff
Pat Kilduff
Senior Fund Manager

Pat's main focus is on Economic Analysis and our bond and cash portfolios. Pat has been with Appian since inception. Pat has 15 years’ experience working in the financial markets sector, having previously worked for ABN AMRO Stockbrokers as a portfolio manager and prior to that with Goodbody Stockbrokers. Pat is a registered representative of the Irish Stock Exchange and is a graduate in economics from University College Dublin.

Derek Heffernan
Derek Heffernan
Senior Fund Manager

Derek joined the Fund Management industry in 2008. Previously, he worked as a Senior Equity Portfolio Manager within the Treasury Asset Management division of the IKEA Group. Prior to this he held the position of Portfolio Manager with AGF, a Canadian mutual fund company.
Derek has considerable experience in managing Global Equity Portfolios and has spent time working overseas in Singapore. He holds an MBS (Corporate Finance and Accounting) from University College Cork, a BBS (Economics and Finance) from the University of Limerick and the Chartered Financial Analyst (CFA) designation.

Fiona O’Driscoll
Fiona O’Driscoll
Senior Fund Manager

Fiona O'Driscoll joined Gresham House Ireland (formerly Appian Asset Management) in May 2021 and is the Fund Manager for Real Estate with a specific focus on Social Housing. She has over 15 years’ experience in capital markets and project finance spanning the social housing, infrastructure, utilities and renewable energy sectors.
Prior to joining Appian, Fiona spent the last six years with Centrus Advisors in Dublin where her focus was providing treasury and debt advisory services to Approved Housing Bodies in Ireland’s social housing sector. During her time with Centrus she also advised a range of public sector, utility, infrastructure and renewable clients across the island of Ireland and the UK. Previously, she worked in loan origination for PPP projects with DEPFA Bank plc, portfolio management in fixed income investments with Dexia Credit Local and Deutsche Asset Management and debt raising and investment analysis for the renewable developer Gaelectric Holding’s in-house corporate finance team.
Fiona completed the Lisbon International MBA with a major in social finance in 2015 and holds a BSc in Financial and Actuarial Mathematics from Dublin City University.

Joe O’Carroll
Joe O’Carroll
Investment Director, Forestry

Joe joined Gresham House in September 2022 and is an Investment Director in the Forestry team.

His 30-year career spans forestry, manufacturing, energy and technology. With some short spells in the Public Sector, he has spent most of his career in StartUp and Scaling businesses. Having sold a bioenergy business to a multi-disciplinary energy company in 2014 he set up and ran its solar and biomass division. In 2016, he was appointed Chief Commercial Officer for the Group, with responsibility for EBITDA growth across the energy trading, power marketing, asset management and energy solutions businesses as well as developing a pipeline of pre-qualified development opportunities in offshore wind, onshore wind, solar, biomass and energy storage.

Joe holds a Bachelor’s Degree in Agricultural Science from University College Dublin and a Master’s Degree in Business Administration from University College Cork. He recently completed a Diploma in Company Direction as part of the IoD Chartered Directors’ Programme.

He is a Climate Reality Leader with Al Gore’s Climate Reality Project and a Member of the Jury of the European Innovation in Politics Institute. He is an active investor in early-stage Technology companies, particularly in the eMobility, EdTech and FinTech sectors.

He is on the Board of Directors of the Sustainable Energy Authority of Ireland and also sits on its Audit & Risk Committee.