Leadership must evolve as quickly as the industries it serves.
Rubisco Advisory is a partner-led executive search and leadership advisory firm built for organisations navigating industrial, technological and environmental transformation.
Sourcing the leadership for a sustainable future.
The transition to a sustainable, decarbonised global economy is not merely a technological or financial challenge; it is a profound human capital challenge.
Rubisco Advisory is a partner-led executive search and leadership advisory firm. We work with corporate boards, venture capitalists and private equity sponsors to identify the highly specialised, client-experienced and technologically fluent leaders required to future-proof their organisations.
Our experience spans natural resources, decarbonisation, clean energy and emerging technologies — from pioneering deep-tech start-ups to global multinational enterprises.
Transformation needs a catalyst.
Our strategic identity is derived from RuBisCO, the most abundant enzyme in the biosphere and the fundamental catalyst of the global carbon cycle.
RuBisCO drives the conversion of atmospheric carbon dioxide into bioavailable compounds, fixing approximately 100 gigatons of carbon annually. Yet, despite its essential ecological role, RuBisCO is notoriously inefficient.
University of Oxford research reveals that the enzyme evolves in minute increments — just one DNA base change every 900,000 years — placing it in the slowest 1% of evolving genes on Earth.
The parallel is deliberate.
This biochemical constraint directly mirrors the modern corporate landscape. Just as planetary carbon fixation is restricted by the catalytic limits of the enzyme, the global industrial transition is bottlenecked by the slow evolution of modern executive leadership.
Rubisco Advisory acts as the strategic catalyst designed to eliminate this organisational bottleneck and accelerate executive evolution.
Industries can transform at extraordinary speed.
Leadership must be ready to evolve with them.
Search should be personal.
Rubisco Advisory rejects the volume-driven, transactional methods of legacy search conglomerates that rely on recycled databases, closed networks and junior associate execution.
Instead, every assignment is built around direct senior involvement and a deep understanding of the organisation, its strategy, culture and technical challenges.
Senior partners manage every stage of the search directly. Rather than matching candidates to narrow, historical job descriptions, we map transferable capabilities across adjacent, high-complexity sectors to identify passive, elite and hidden talent.
We also treat cognitive diversity and neurodiversity not as a box-checking exercise, but as essential tools for stronger decision-making, innovation and C-suite performance.
25+
Years of specialised executive search and advisory experience.
50+
Countries worked and placed across.
7
Core sectors at the centre of global industrial and sustainable transition.
Specialist leadership for industries shaping what comes next.

Simon Gillibrand
Senior expertise. Directly involved.
Simon brings over 25 years of global executive search and advisory experience across Critical Minerals, Natural Resources, Energy, Clean Technology, Fusion Power, Decarbonisation and diversity assignments.
With an extensive international track record, Simon works closely with boards and executive teams to build resilient leadership pipelines. His expertise spans board and senior executive search, bespoke succession planning, market intelligence and strategic talent mapping.
A dedicated champion of diversity and equity, Simon actively contributes to Diversity and Inclusion initiatives. As a leader diagnosed with ADHD, he is particularly passionate about promoting neurodiversity and driving demographic diversity at the highest levels of corporate leadership.