Industrial

Conor O'Callaghan is the Founder and Managing Partner of Millar Cameron, an executive search firm specialising in leadership recruitment across emerging markets. With more than 30 years' experience in executive recruitment, he has spent the past 19 years focused on identifying and placing senior leaders across Africa.

Conor has led C-suite and board-level appointments across a broad range of sectors, including private equity, agriculture, consumer goods, forestry, international development, and technology. He has built a reputation for partnering with organisations to identify transformational leaders capable of driving growth and long-term impact in complex and fast-evolving markets.

He holds a BA in Spanish and Latin American Studies from the University of Portsmouth and the University of Mariano Gálvez in Guatemala.

Alongside his professional career, Conor is actively involved in education and community development. He is a Trustee of the Merchant Taylors' Oxfordshire Academy Trust and serves on the Walter Bigg Foundation, which supports young people in his local community. He is also a committed advocate for offender rehabilitation and has dedicated more than 22 years to mentoring and supporting individuals within the prison system.

Tom is a Senior Partner at Millar Cameron, leading international executive search mandates across the food and agriculture, natural resources, climate, development finance and impact investing sectors. He works globally with multinational corporations, private equity firms, development finance institutions, family-owned businesses and industrial companies to appoint senior executives and board members.

He has over a decade of experience in executive search and leadership recruitment, advising clients on retained search assignments, board appointments, succession planning and confidential strategic hires. His work is focused at Executive Committee and Board level, with particular experience in CEO, Managing Director, CFO, COO and investment leadership appointments, as well as board and non-executive roles.

Tom has completed searches across more than 40 countries and has particularly deep networks in Europe, Asia and Africa, alongside significant experience across North and South America. His work spans both growth-oriented and established organisations operating in complex international markets. He holds a degree in History from the University of Reading.

Hamish is a Senior Consultant at Millar Cameron, specialising in executive search across the technology, telecoms and infrastructure sectors in Sub-Saharan Africa. He works with multinational companies and private equity and venture capital-backed scale-ups on C-suite, leadership and management searches, supporting local, expatriate and repatriate appointments.
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He has eight years of executive search experience and has worked across banking and finance, logistics, power and energy, industrial, infrastructure, technology, telecommunications and real estate. His track record includes placements at CFO, CEO, CIO, Chief AI Officer, CHRO, CTO, board and head of function level, with particular expertise in CFO search..
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Before joining Millar Cameron, Hamish worked for a technology unicorn. He holds an LLB in Law from Newcastle University and is an active community volunteer in Oxford, supporting mental health and recruitment charities.

Sharon is based in Millar Cameron’s Nairobi office, where she manages senior recruitment campaigns with a focus on commercial and strategic leadership roles. She works across food and agriculture, development finance and impact investment, and brings previous experience spanning FMCG, technology and pharmaceuticals.

With a degree in Psychology and a minor in Industrial Psychology, Sharon brings a strong understanding of organisational behaviour and talent dynamics across African markets. She supports clients in building resilient and effective leadership teams across a range of sectors and business contexts.

Achim joined Millar Cameron in 2023 and specialises in supporting senior management and executive-level recruitment across the agribusiness, agriculture, food production and natural resources sectors throughout Africa. He has worked with a diverse range of organisations, including family-owned agricultural businesses, regional agribusiness groups, multinational corporations and investment-backed companies.

He has supported searches across commercial, operational, technical, supply chain, sustainability and leadership functions, including appointments at C-suite level.

Based in Leeds, Achim is also an active community volunteer, supporting Congolese families and individuals as they settle and build successful lives in the UK. He holds a BA in Human Resources and Business Management from Manchester Metropolitan University and has a strong interest in sustainable agriculture, emerging markets and the development of resilient agricultural value chains.

Ashley is a talent acquisition professional with experience recruiting across a range of sectors, including technology, NGOs, global organisations, manufacturing and agriculture. She has supported both local and international teams in identifying, attracting and onboarding talent across a variety of roles and markets.

She brings a strong focus on data-informed decision-making and stakeholder collaboration, alongside a thoughtful and people-centred approach to her work. Ashley is passionate about connecting people with meaningful opportunities and supporting organisations in building effective teams.

Peewee has 12 years of experience in executive search and is a skilled researcher working with global organisations across health, education, food and agriculture, sustainable development, development finance and international NGOs.

She brings a strong understanding of client needs and role requirements and supports searches through effective research methodologies and strategic insight. She also has experience in training teams in best practice and overseeing the research process to ensure alignment with client briefs and objectives.

Peewee is based in Manila, Philippines.

Freya joined Millar Cameron in 2025 after several years working in the translation department of a global professional services firm. She specialises in international collaboration and works closely with colleagues and clients across different markets to support clear, effective and cohesive communication.

Her understanding of language and culture, combined with strong project management skills, enables her to build effective relationships and deliver tailored support across a range of international contexts.

Based in Millar Cameron’s Oxford office, Freya holds an MA in Modern Languages from the University of Oxford, as well as an MA in Translation and Interpreting. She speaks English, French, German and Italian.