Team
Experienced leadership.
A proven executive team, supported by an experienced panel of sector specialists.

Executive
Ansar Mahmood FCA
Executive Director

A Fellow of the ICAEW with over 25 years of experience, our Executive Director has led Nebula Group from concept to execution – shaping its strategy, identifying its investments, and assembling the advisory team. With a background spanning audit, finance, and cross-border investment, he has built and advised high-growth businesses across sectors including technology, property, and digital infrastructure. Nebula reflects his commitment to long-term, high-impact enterprise.
Lizzie Zita
Head of Communications

Lizzie is a media-trained communications professional with deep experience in both broadcast and brand strategy. As Head of Communications, she brings strategic insight, creativity, and strong media relationships to the role.
She is a regular commentator on Sky News, ITV, ITN, and BBC News, known for turning complex issues into clear, engaging narratives. Lizzie has advised high-net-worth individuals and senior political figures, including members of Downing Street, on public image and media performance for high-profile, global events. Her brand work includes campaigns for Levi’s, Vodafone, and American Express, ensuring alignment with identity and audience. Lizzie is also a public speaker and experienced event organiser, contributing to panels and delivering high-impact communications for a range of clients.
Group functions
Antonio Mario Di Gennaro
Head of Trade Finance
Mario brings a wealth of experience in financial services and banking, with first-rate knowledge of securities, structured products, and trade finance operations, complemented by over 25 years of operational trade experience in Asia, MENA and the EEA. Mario’s competencies are centred around procedural execution and the regulatory frameworks, allowing him to structure “vanilla” project funding solutions for ultra-high-net-worth individuals and mid to large size corporations. Mario works alongside both private and public sectors and senior-level international bankers, and holds an extensive network in trade finance; his operational experience allows him to negotiate at the highest level, delivering funding solutions across several continents and with prime trade banks.
Guy-Alain Mierczuk
Head of Credit
Alain is responsible for shaping and executing capital raising initiatives. He brings together investors, institutions, and co-funders to support project funding, ensuring the right capital is in place at each stage of delivery via his institutional networks. He is an energetic and versatile financier who knows how to design funding solutions that allow companies to increase their turnover, profitability, and sustainable growth. Alain communicates closely with Nebula’s Board to secure the financial resources needed for large-scale, high-impact projects and ensures alignment with Nebula’s long-term investment strategy.
Jonathan Miles Allum
Head of Risk & Governance
A seasoned executive with core competencies in risk and governance, Jonathan has founded several successful legacy businesses. With international experience in cross-border tax, finance and structure management, Jonathan retains his core focus on the implementation of best-practice management systems, effective communications, and regulatory compliance.
Jonathan has been professionally involved in family office services, financial structuring, and wealth creation, providing his expertise in administration, the build, operate and transfer of banking platforms and payment service providers, executive management, risk mitigation and governance. He is now focused on the design and control of forward-looking decentralised wealth management platforms, with a primary focus on wealth creation and governance.
Advisory panel
Mike Dodd
Infrastructure & change

Mike is a Chartered Accountant (ICAEW) and graduate of business school in Canada, bringing over 30 years of experience as a senior adviser and project leader across both the public and private sectors.
His career spans Director-level roles in the UK and Middle East, overseeing complex infrastructure, technology, data, and financial transformation programmes.
Mike’s expertise covers all aspects of project delivery, from strategic planning and commercial negotiation to audit, risk, and investment management, with a proven track record in steering major change initiatives to successful outcomes.
Pascal Estienne
Industry & commercialisation

A nuclear engineering graduate of École Centrale Paris, Pascal brings over four decades of experience across the global chemical, energy, and advanced manufacturing sectors. He has founded and scaled multiple successful companies in Europe, Asia, and North America, specialising in the commercialisation of technical innovation.
Alongside his deep industrial expertise, Pascal has worked extensively in subsea oil production, including the use of deep-sea diving operations and remote subsea vehicles for inspection and intervention. His breadth of experience, from surface chemistry to subsea engineering, positions him as a trusted adviser across a wide range of technically complex and capital-intensive ventures. Pascal’s strategic insight and global industrial track record bring depth to Nebula’s work in process chemistry, energy systems, and infrastructure.
Paul Mak
Banking

Paul is a seasoned banking professional with over 20 years of experience across the high street and specialist business banking sectors. His career has spanned senior roles in business and commercial banking, where he developed a deep understanding of credit, risk, and structured lending solutions to support SMEs and mid-market enterprises.
During his tenure at a leading UK bank, Paul played a pivotal role in launching a national Commercial Broker Proposition, significantly expanding the bank’s capabilities in serving growing businesses. Building on this expertise, he later founded an FCA-authorised commercial finance business, where he has advised a diverse client base on funding strategy and execution.
Paul’s combination of practical banking knowledge, credit structuring experience, and a relationship-focused approach enables him to help businesses navigate complex financial challenges and unlock growth. He is known for his integrity, clarity, and commitment to building long-term value for clients and stakeholders alike.
Dominic McGregor
Growth & innovation

Dominic is a seasoned entrepreneur, investor, and operator with deep roots in the North West start-up ecosystem. As co-founder and former COO of Social Chain, Dominic grew the business into a $300M global marketing leader with 750 employees and a client roster including Apple, Amazon, McDonald’s, and the BBC. He took the company public in 2019 and exited in late 2020.
Following his exit, Dominic has invested in a number of exceptional founders with capital and strategic guidance, and helped build a full-stack operational support team across performance marketing, talent, and finance.
Alongside this, Dominic is a trusted adviser to some of the most exciting businesses in the UK – offering strategic insight across growth, operations, marketing, and leadership.
As Founding Partner of the Transitional Growth Fund for the North, Dominic will lead the fund’s strategic direction and founder engagement, with a focus on championing entrepreneurial spirit, unlocking regional talent, and offering operator-led insight to drive scalable growth. He brings lived experience of building, exiting, and advising high-growth businesses, and is committed to helping the next wave of Northern entrepreneurs do the same.
Andy Morgan
Aerospace & defence

Andy is an experienced executive who for over 25 years has worked in the defence and aerospace industry in various finance and commercial board roles. His corporate career includes Airbus Group, BAE Systems and Cobham. He has experience of operating in the Middle East, Far East and India.
Andy joined EADS (Airbus Group) in 2003 as CFO of EADS Operations & Services UK, working on PFI programmes in the UK including FSTA. In 2008 he became CFO and Head of Corporate Operations of Airbus Group UK, with a wider responsibility for the strategic engagement with UK government departments, including the MoD. He worked with the Welsh Government to establish a joint foundation for research in Wales (Endeavr), and represented Airbus Group on various trade association boards, including the ADS Security Board and the ADS Council in the UK.
Andy has a strong track record in the UAS sector, including large programmes at Cobham and Airbus, coupled with more recent work for Ordnance Survey, leading their Astigan venture as CEO. At Auriga Aerospace he currently supports a variety of UAS and HAPS programmes, including UK CAA trials in non-segregated airspace. In addition to his work at Auriga, Andy is a director of Microlink Devices, an aerospace solar cell manufacturer, in the UK, and a board member and adviser for several technology-based SMEs.
Phil Roberts
Chemistry & materials

With a background in chemistry and over four decades of experience, Phil has built a career at the intersection of science, innovation, and entrepreneurship. Following an early career in international roles within the energy sector, including time in the Middle East, he has gone on to co-found and scale multiple successful ventures across fuel additives, advanced materials, and fine chemicals.
Phil’s work spans a range of industries including energy, pharmaceuticals, and semiconductors, with a strong track record of taking complex chemical technologies from concept to commercial success. His ventures have served major industrial clients globally and remain resilient, profitable operations today. Phil continues to focus on innovation in speciality chemicals and materials with emerging applications in energy efficiency, electronics, and surface engineering. His long-standing business partnerships and technical insight make him a valuable asset to Nebula’s industrial and scientific strategy.
Martyn Shaw
Skills & international development

Martyn brings deep experience in education, international development, and public-private collaboration. Formerly Director of Business Development at the University of Bolton, he has led major partnerships across academia, industry, and government. At Nebula, Martyn advises on skills, talent development, and international engagement – ensuring our projects are aligned with long-term human capital and institutional growth.
Martyn also plays a key role in our Remuneration Committee.
Josh Sutton
Data & artificial intelligence

Josh Sutton is an entrepreneur and technology executive with more than two decades of experience building businesses across artificial intelligence, healthcare, data and financial services. He is CEO and Co-Founder of Xeomics, and Co-Founder of Noetic Machines.
Josh’s current work focuses on translating advanced technology and proprietary data into commercial platforms. Through Xeomics, he works with governments, healthcare providers and industry partners to develop precision-medicine programmes, clinically linked datasets and opportunities for AI-enabled drug discovery. At Noetic Machines, his focus includes adaptive AI applications across healthcare, robotics and other industries. Previously, Josh served as Global Head of Data and Artificial Intelligence at Publicis Sapient and held senior leadership roles within Sapient’s capital-markets business.