People
Katherine Simmonds
CEO
Katie is global CEO of Fusion Specialty. With an extensive career of leadership roles for global companies and years of experience in London and in Asia Pacific, Katie brings strategic, technical and operational expertise to the Fusion group as it expands both from an underwriting and product perspective and geographically.
Email: katie.simmonds@fusionspecialty.com
Location: Sydney, Australia
David Rogers
Co-Founder, Executive Chairman
David has a 25+ year global insurance career developing start-up specialty insurance businesses in Bermuda, North America, as well as across Asia-Pacific. Prior to Fusion, David has held senior executive and underwriting roles within some of the leading global specialty insurers and brokers.
Email:
David@fusionspecialty.com
Location: Melbourne, Australia
Fusion USA
Robert Underhill
Head of Americas
Robert Underhill, prior to joining Fusion, created and led the Global Transactional Liability Group at Berkshire Hathaway Specialty Insurance, and wrote representations and warranties insurance, warranty and indemnity insurance, tax insurance and contingent liability. Previously, Robert had over 20 years of experience with mergers and acquisitions and insurance at law firms, insurance companies, investment banks and alternative investment advisors. Robert received his BBA and MBA from the University of Texas at Austin and his JD from NYU School of Law.
Email: robert.underhill@fusionspecialty.com
Location: New York
Scott Singer
Managing Director
Scott Singer joins the New York office of Fusion M+A as a Managing Director after he co-founded and built a large multi-state healthcare company with private equity sponsors and was involved in many large acquisitions. Scott started his career at Proskauer and is at graduate of SUNY at Albany and the New York School of Law.
Email: scott.singer@fusionspecialty.com
Location: New York
David Gibbs
Director
David is a Director in Fusion Specialty’s New York office. Prior to joining Fusion, he was a Senior Underwriter at Liberty Global Transaction Solutions. Prior thereto, David held roles on both sides of the transaction – on the deal team at Fortune 500 companies and on the sell-side as an investment banker. David earned his B.A. in History from the University of Michigan and his JD/MBA from Fordham University’s School of Law and Gabelli School of Business.
Email: david.gibbs@fusionspecialty.com
Location: New York
Justin Giles
Head of Claims, Americas
Justin Giles joined Fusion in January 2026. Prior to joining Fusion, Justin was a Senior Vice President of Claims at another large managing general agent, where he gained significant experience handling and resolving RWI claims. Previously, Justin worked as a litigator focused on complex commercial disputes at Quinn Emanuel Urquhart & Sullivan, LLP. Justin received his BA from the College of Staten Island and his JD from Fordham University School of Law in 2016.
Email:
justin.giles@fusionspecialty.com
Location: New York
Will Sibson
Senior Associate, Underwriting Operations, Legal & Support
Will is part of the Fusion Americas M&A team. Will’s prior experience includes as a M&A and sales advisor for top insurance brokerages, Lockton and Marsh. At these firms, Will led due diligence advisory services and insurance related risk solutions on behalf of the brokerages’ clients; with a focus on private equity firms. Will graduated from Florida State University, with a degree in Risk Management from the College of Business.
Email:
will.sibson@fusionspecialty.com
Location: Chicago, USA
Jesse Sipiorski
Senior Underwriter
Jesse Sipiorski joins the New York office of Fusion M+A as a Senior Underwriter after four years as Underwriting Counsel at a major M&A Insurer, where he focused on healthcare M&A transactions. Prior to that, Jesse worked at EY and is a graduate of the University of Groningen and Leiden University in the Netherlands.
Email: jesse.sipiorski@fusionspecialty.com
Location: New York
Ana Masuk
M&A Analyst
Ana Masuk joins the New York office of Fusion M+A as an M&A Analyst after recently graduating from the School of Law at Pace University and joining the New York Bar. Ana previously received a BA from the Savannah College of Art and Design.
Email: ana.masuks@fusionspecialty.com
Location: New York
Arfah Imran
M&A Analyst
Arfah Imran joins the New York office of Fusion M+A as an M&A Analyst after recently graduating from New York Law and joining the New York Bar. Arfah previously received a BA from the University of Toronto.
Email: arfah.imran@fusionspecialty.com
Location: New York
Vanessa Belford
M&A Analyst
Vanessa Belford joins the New York office of Fusion M+A as an M&A Analyst after recently graduating from New York Law and joining the New York Bar. Vanessa previously received a BA from the College of Staten Island.
Email: vanessa.belford@fusionspecialty.com
Location: New York
Fusion APAC
Steven Harwood
Managing Partner, Fusion APAC
A qualified English lawyer, Steve has over 27 years of relevant experience both in private legal cross-border M&A practice and insurance. With over a decade of experience in underwriting M&A insurance, Steve has set up and led transactional liability teams for a number of insurers in the region. A fluent Japanese speaker, Steve is based in Tokyo.
Email: steven.harwood@fusionspecialty.com
Location: Tokyo, Japan
Danielle Eliatamby
Head of Australia & New Zealand
Based in Sydney, Danielle has nearly a decade of experience both as an M&A lawyer advising on market-leading transactions and as an M&A and tax liability insurance underwriter across the APAC region.
Email: danielle.eliatamby@fusionspecialty.com
Location: Sydney, Australia
Luke Blayney
Deputy Head of Australia & New Zealand
Luke is an experienced M&A underwriter and senior partner within Fusion’s APAC team. Prior to joining Fusion, Luke worked as a Senior Underwriter in the UK, underwriting M&A transactions throughout APAC, EMEA, the UK, and the US. Luke holds a Bachelor of Laws/Bachelor of Social Sciences degree from the University of Western Sydney.
Email: luke.blayney@fusionspecialty.com
Location: Sydney, Australia
Ann Marie Siaw
Head of Claims APAC
Ann Marie is a W&I underwriter for Fusion APAC Before joining Fusion, Ann Marie specialised in private M&A and corporate law during her time in private practice and for major multinational corporations. Ann Marie is dual qualified in the UK and Malaysia having earned her Bachelor of Laws (LL.B) from the University of Leeds and holds a Bar Professional Training Course Certificate, as well as a Master of Arts in Law with Business from BPP University.
Email: annmarie.siaw@fusionspecialty.com
Location: Kuala Lumpur, Malaysia
Nicholas Wright
M&A Underwriter
Nick is an M&A Underwriter within Fusion Specialty’s APAC team, bringing 10 years of experience across commercial and legal roles in both private practice and in-house environments. Prior to joining Fusion, Nick worked across various sectors in corporate advisory, M&A and broader commercial roles. Nick holds a Bachelor of Laws/Bachelor of Justice and a Master of Business (Applied Finance) from the Queensland University of Technology.
Email: nicholas.wright@fusionspecialty.com
Location: Sydney, Australia
Stephen Fox
CFO
Stephen brings deep experience across financial services, with a strong background in lending, capital strategy, and finance transformation. He has a proven track record of partnering with leadership teams and capital partners to scale businesses and deliver strategic outcomes. He joins Fusion from Moneytech, where he served as CFO and was instrumental in building a standalone lending platform, enhancing governance, and supporting strategic growth initiatives.
Email: stephen.fox@fusionspecialty.com
Location: Sydney, Australia
Michael Ongkowidjaja
Finance Director
Michael joined Fusion in 2023 with over 20 years’ experience with global insurers in finance, accounting and financial controls specialising in audit, tax, treasury, statutory and regulatory reporting in the insurance industry. He holds a BCom and is a Fellow of Certified Practising Accountant.
Email:
michael.ongkowidjaja@
fusionspecialty.com
Location: Sydney, Australia
Chang Chow
Partner, Accounting and Finance
Chang joined Fusion in 2022 with 20 years of experience in audit, financial statements, local tax and bookkeeping. At Fusion, Chang works across both Finance and Operations. Prior to joining Fusion, Chang worked as a public accountant where he was responsible for several clients within the financial services sector. He holds a Degree in Commerce and is a Certified Practising Accountant.
Email:
chang.chow@fusionspecialty.com
Location: Sydney, Australia
Vishrant Ghatalia
Senior Financial Accountant
Vishrant joined Fusion in 2024, bringing over 15 years of local and international experience in financial accounting and reporting. A qualified CPA (Australia) and CA (India) he specialises in financial reporting, audits, process improvements and managing large ERP systems. Vishrant is committed to driving accuracy, compliance and efficiency across the organisation.
Email:
vishrant.ghatalia@fusionspecialty.com
Location: Sydney, Australia
Clive Herlambang
Senior Financial Accountant
Clive brings over 6 years of experience in the insurance industry, working for large global insurance companies before coming to Fusion in 2024. He is a qualified CPA and bring to Fusion a strong understanding of IFRS 9 and IFRS 17 and experience in generating accurate financial statements.
Email: clive.herlambang@fusionspecialty.com
Location: Sydney, Australia
Kerry Novilla
Head of Financial Planning & Analysis
Kerry is the Head of Financial Planning & Analysis of Fusion Specialty. Having previously worked in senior finance roles in both the US and Australia, he brings exceptional financial leadership and strategic expertise to support Fusion Group’s growth and success.
Email:
kerry.novilla@fusionspecialty.com
Location: Sydney, Australia
Zac Yedid
Finance Operations Manager
Zac has over 16 years of financial analysis & reporting experience and manages reporting and finance operations for Fusion’s insurers His career experience includes large insurance companies such as nib health fund, HCF and Marsh Australia. Zac holds a CPA Australia qualification and a Master of Commerce.
Email:
zac.yedid@fusionspecialty.com
Location: Sydney, Australia
Gayle Robertson
Head of IT and Projects
With a demonstrated consulting history within the IT and insurance sectors, Gayle brings industry knowledge and experience having worked in the USA, APAC, Bermudian and London Companies/Lloyd’s markets. Her focus is on projects including vendor management, system implementation, and business process.
Email:
gayle.robertson@fusionspecialty.com
Location: Melbourne, Australia
Nik Donaldson
Delegated Authority Operations Manager
Nik heads up the Operations team overseeing global support services to our M&A Underwriting and Finance teams. Nik has over 10 years’ experience in financial lines broking, financial lines underwriting and significant Insurtech experience as both a Senior Underwriter and Team Leader for MGA and global insurance companies.
Email:
nik.donaldson@fusionspecialty.com
Location: Sydney, Australia
Sabrina Chia
Head of Asia
Sabrina joined Fusion in 2021 and is based in Singapore. With over 14 years of experience in mergers and acquisitions and corporate law, Sabrina brings a wealth of expertise to the team. Prior to joining Fusion, Sabrina served as in-house legal counsel for multinational corporations across various industries in the Asia-Pacific region.
Email:
sabrina.chia@fusionspecialty.com
Location: Singapore
Huay Shan Eow
W&I Underwriter Fusion APAC
Huay Shan is a Singapore-qualified corporate and M&A lawyer with substantial experience handling both local and regional legal work including public and private M&A transactions, equity capital markets, regulatory and compliance, corporate governance, employment, and other general corporate work. She has a Bachelor of Laws (L.L.B) from Singapore Management University.
Email:
huayshan.eow@fusionspecialty.com
Location: Singapore
Jason Yoon Lee
M&A Underwriter
Jason, from Seoul, Korea, is an M&A Underwriter within Fusion Specialty's APAC team. Prior to joining Fusion, he specialized in corporate tax advisory at PwC and Deloitte, managing complex cross-border transactions and international tax structuring across the US and APAC regions. As a US-licensed attorney and former military intelligence officer, Jason brings a unique blend of legal & business expertise, strategic risk analysis, and rigorous due diligence to his underwriting deals. He holds an MBA from INSEAD and a JD from the University of Iowa College of Law.
Email:
jason.lee@fusionspecialty.com
Location: Singapore
Satoshi Omura
Underwriter
Satoshi Omura is an underwriter for Fusion APAC. He has 10 years of experience working for Nishimura and Asahi law firm in Japan and in the USA. Satoshi has a wide range of experience in M&A transactions, anti-trust, labor, sports and other general corporate law. He has a Juris Doctor from Waseda Law School (Japan), and a Master of Laws (LL.M.) from University of Pennsylvania Carey Law School.
Email:
satoshi.omura@fusionspecialty.com
Location: Tokyo, Japan
Simren Gill
Associate Underwriter
Simren Gill is based in Kuala Lumpur, has three years of experience in the W&I space, beginning her career as an Assistant Underwriter. Before transitioning to this role, she gained valuable experience in the banking sector and later joined the in-house team of a multinational corporation. She holds a Bachelor of Laws degree from the University of Hertfordshire.
Email:
simren.gill@fusionspecialty.com
Location: Kuala Lumpur, Malaysia
Fusion UK & EU
Samuel Shirley
Managing Partner and Chief Underwriting Officer, UK
Sam has 16 years of M&A legal and underwriting experience with top-tier city law firms, investment banking and market-leading global & FTSE 100 insurers. Sam is a highly experienced and technical underwriter with experience in a range of sectors and jurisdictions.
Email:
samuel.shirley@fusionspecialty.com
Location: London, United Kingdom
Alastair Speare-Cole
Director and CEO Fusion UK
Alastair is CEO and Director of Fusion UK. With well over two decades worth of experience within the insurance market, Alastair brings to Fusion UK a significant amount of industry know-how, and strategic, operational and technical expertise.
Email:
alastair.speare-cole@fusionspecialty.com
Location: London, United Kingdom
Alexander Mackay
Partner
Alex joined Fusion in 2024 and sits in the London office. He has over 6 years’ experience underwriting M&A buyout transactions throughout EMEA, APAC and the US. Alex has a Master of Laws degree from University College London (specialising in M&A and Insurance) and an LLB Law degree from the University of Liverpool.
Email:
Location: London, United Kingdom
Niamh Murphy
Senior Associate
Niamh has worked in Transaction Liability for three years, starting her career out at a FTSE 100 global insurer underwriting complex risks. She has worked on multi-jurisdictional M&A transactions both on a primary basis and within wider W&I programmes.
Email:
niamh.murphy@fusionspecialty.com
Location: London, United Kingdom
Mathias Beyer
Managing Director, Fusion Europe
Mathias brings deep expertise in the M&A insurance market, with extensive experience underwriting complex cross-border transactions across Europe. Most recently a Director within the European transactional risk team at VALE Insurance Partners, he underwrote Warranties & Indemnities policies across DACH, Benelux, Italy, and the UK, building one of the most profitable W&I portfolios in the German market and developing strong broker relationships. Previously, he was a corporate M&A lawyer at Linklaters, giving him a strong technical and commercial perspective on transaction risk and structuring. At Fusion, Mathias supports the continued growth of our M&A capabilities across the UK and EU.
Email: EMAIL@fusionspecialty.com
Location: Europe
David Bedard
Partner
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Email: davidb@fusionspecialty.com
Location: London, United Kingdom