Wentworth and our industry leading team

Wentworth Securities provides investors and corporate clients with 'Wealth through Experience'. Our advisors utilise years of knowledge gained from senior roles in major global financial institutions and accounting firms, to deliver independent, performance based solutions, based on the individual clients objectives.


Malcolm Nutt

Managing Director

M.Com (Syd), B. Com (Syd), ADA 2

Malcolm joined Wentworth in 2014 and previously held the role of Senior Investment Adviser at Macquarie Bank for 5 years. He has also worked as a Private Client Adviser at Ord Minnett for 10 years, and for 2 of these years, Malcolm was Associate Branch Manager of the Sydney Office. Prior to this, Malcolm worked as an Investment Analyst at Crescent Capital. His core business is Wealth Management for wholesale clients, with a strong focus on corporate opportunity. Malcolm is a Partner at Sparklabs Cultiv8, an Agriculture and Food Technology Fund based in Orange, NSW.


Thomas Schoenmaker

Head of Wealth Management – Founder

B.Bus, A.D.A.

Thomas founded Wentworth in 2012, and prior to this he held the role of Senior Investment Adviser with Macquarie Bank for 6 years and spent 5 years as a Senior Adviser with Wilson HTM. He has also worked in London with Europe’s most prestigious Private Wealth Management division at Morgan Stanley Dean Witter (MSDW) and the Debt Capital Markets division of Merrill Lynch. Thomas’ core focus at Wentworth is Wealth Management, where he provides tailored investment solutions to sophisticated and professional investors, family offices and financial intermediaries.


Scott Griffin

Head of Corporate Finance

B.Econ, CA

Scott joined Wentworth in 2012, specialising in corporate finance and capital market advisory services to public and private sector clients. He holds extensive M&A and advisory experience and for over 12 years, he has been responsible for leading initial public offerings, in addition to accounting, strategy, due diligence and independent expert reports for transaction assignments and clients in Australasia, Europe and the U.S.. Scott previously held various roles with Grant Thornton for over 25 years and was their founding Corporate Finance partner in 1999, licensee of the AFSL, and Head of its Corporate Finance business for over 10 years.

Angus Murnaghan

Angus Murnaghan

Head of Institutional Sales


Angus joined Wentworth in 2019 and has over 30 years of experience in the Australian equities markets. He gained several years’ experience as a highly rated industrial analyst, before moving into a variety of sales and equity capital markets roles. Angus has worked at leading finance and advisory groups including UBS, Ord Minnett and recently held the role of Managing Director at Moelis & Company. He has been responsible for the sales and distribution function for over 50 IPO’s ranging from A$50 million to over $1 billion.

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Ben Castles

Institutional Sales & Trading

Dip Ag

Ben joined Wentworth in early 2020 and brings a unique skill set with over 26 years’ experience in global equity markets having worked in Sydney, London and Singapore with top tier Investment Banks as a Sales Trader covering a broad range on institutional investment managers. For the last 10 years, Ben has been based in Sydney as Director of Capital Markets at Royal Bank of Canada. Prior to this Ben worked at Deutsche Bank for 9 years based in both in Sydney and London and prior to this at Credit Suisse for 4 years. Ben also spent 4 years in Singapore with BNP Paribas. He recently completed a diploma of agriculture and continues to build knowledge and key contacts within the industry.

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Ian Gebbie

Director Corporate Finance

B.BA B.COM (Accounting) CA

Ian joined Wentworth in 2012, specialising in Corporate Finance and holds significant experience in advising clients on a variety of Capital Markets and M&A transactions, most recently with the Corporate Finance Division of Grant Thornton. Prior to this, Ian has worked in Corporate Finance positions at ‘Big Four’ accounting firms in Australia and the United Kingdom, Electra Partners (Private Equity) in London and BP in project finance and structuring.


Simon Tritton

Senior Advisor

B Econ (UQ), ADA 2

Simon joined Wentworth in 2017, prior to this he was a senior Investment Adviser for 20 years with Wilson HTM. Prior to this he spent 3 years with Capital Group in London, and has worked in operations, stock & options trading and private wealth management. As a Senior Advisor at Wentworth, Simon provides clients with individualised, strategic, investment advice.

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Mark Rothlin

Senior Advisor

MAppFin, B. Bus, ADA 2

Mark joined Wentworth in 2017, prior to this he worked as an Investment Adviser for Macquarie Bank for 7 years, and also spent 6 years between Ord Minnett and Bell Potter. Mark’s focus is on tailoring investment strategies that meet a client’s objectives, whilst understanding the importance of capital preservation for a client’s portfolio over the longer term. Mark’s strengths lie in managing High Net Worth (HNW) Individuals and Corporates investments covering Australian Listed Equities, International equities, Exchange Traded Funds (ETF), Derivatives, Managed Funds, Corporate Deal Flow, Bonds and Cash.

Will Lawson rs

Will Lawson

Senior Advisor


Will joined Wentworth in late 2020 and has over 30 years of experience in Global Financial Markets. He was most recently a Senior Adviser at Morgans Financial, and prior to this he held senior trading roles. Will was a Director of the Strategic Risk Group at Westpac, and before that Head of AU/NZD Rates Trading at Credit Suisse. Will’s core business is Wealth Management for wholesale clients, with a strong focus on creating corporate opportunities. Will is also a Partner at Seed Space Venture Capital, an early stage FinTech Fund with offices in Sydney and Geneva.

Catriona HS #2

Catriona Crookes

Executive Assistant

B Ag Econ (Hons)

Catriona joined Wentworth in 2015, bringing a wealth of organisational skills, having previously worked in both start up and corporate role environments, specialising in agribusiness, marketing and banking. Catriona is responsible for general office management, supporting advisors with client account, portfolio setup and management, dealing with office systems and deployment, back office, client enquiries, liaising with clients and their accountants to provide tax information, and overseeing client communication compliance.