Nick Mtambirwa
Managing Director
Nick is an experienced executive, entrepreneur and organisational leader with more than 25 years of experience across business leadership, governance, compliance, health and safety, training and organisational development. His career spans a diverse range of sectors, combining operational leadership with strategic management, business development and board-level charitable governance.
He brings extensive experience of developing and managing organisations, strengthening governance structures, supporting workforce capability and translating strategic priorities into effective operational systems. This gives him a practical understanding of the organisational structures, people and processes required to manage change and implement new ways of working successfully.
At OCTET360, Nick leads business strategy, governance and organisational capability, with a particular focus on helping organisations establish effective systems, controls and accountability. His postgraduate study in Artificial Intelligence further complements his leadership experience and supports OCTET360’s work in responsible AI governance, adoption and workforce readiness.
/ The Team
Dr. Sandra Mtambirwa
Technical Director
Sandra is a PhD-qualified Chemical Engineer and technical leader with extensive experience across industrial R&D, sustainability, circularity, materials and process innovation. Her career has spanned applied research, product and process development, environmental assessment and the delivery of complex collaborative innovation programmes, working at the interface between science, industry and sustainability.
She brings a strong understanding of how emerging technologies, environmental expectations and regulatory requirements translate into real-world organisational challenges. Her experience combines technical depth with systems thinking, enabling her to connect evidence, governance and implementation in a way that supports credible and practical decision-making.
At OCTET360, Sandra provides technical oversight across Responsible AI, Supply Chain Readiness, Green Claims, and Sustainability & Circularity. She leads the development of evidence-led frameworks, methodologies and solutions that help organisations strengthen governance, manage emerging risks and translate complex requirements into practical action.
Jim Tunstall
Technical Reviewer & Consultant - Organisational Readiness
Jim brings over four decades of commercial leadership and business-scaling experience to Octet360's clients. He built his career in the paper, print and packaging industry, rising to Commercial Director and Deputy Managing Director at R A Brand (Stora Enso), before founding and leading Bespoke Paper Services Group for more than ten years.
From 2017 to 2025 he was Scaleup Programme Director at Inventya, delivering for Innovate UK Business Growth's flagship support programme. There he built and led a national team of 43 scaleup directors supporting high-growth businesses across the UK through the national Innovate UK Scaleup Programme. Leading on strategy, governance, and leadership development while inspiring a talented and high performing team.
Today Jim leads Dignus Muneris, a Manchester-based advisory practice that helps innovation-driven businesses with scaling strategy, investment readiness, commercial due diligence, IP commercialisation and access to capital, with a particular interest in sustainability and the circular economy. At Octet360 he helps clients connect responsible innovation and good governance with growth and investment, so that what a business claims stands up to investors and regulators alike.
Jim holds an MBA from Salford Business School and an HND in Paper & Printing Technologies. Additionally, he is a member of the Chartered Institute of Marketing (MCIM), the Chartered Institute of Procurement & Supply (MCIPS), the Institute of Consulting (IC) and a Fellow of the Institute of Paper, Printing & Packaging (FIP3). A certified professional behavioural analyst (CPBA) Jim is passionate about helping people and organisations to fulfil their potential.
Maria Flygare
Technical Reviewer & Consultant - Legal & Regulatory
Maria Flygare is an experienced international lawyer who provides legal and regulatory technical review to OCTET360, bringing more than 20 years of international legal experience across Europe, Latin America and Africa.Qualified as a solicitor in England & Wales, Finland and Spain, Maria has advised multinational organisations on corporate governance, competition law, regulatory compliance, cross border transactions and international legal strategy. Her experience includes leadership roles at Belron International Ltd in London, where she advised on global legal strategy, as well as founding Justitum Attorneys at Law in Helsinki, supporting international clients across Europe. Earlier in her career, Maria worked with Baker & McKenzie in Mexico City, advising multinational clients on competition law and cross border matters.
Within OCTET360, Maria provides an additional layer of legal and regulatory technical scrutiny where appropriate. Her expertise supports the review of regulatory interpretation, governance frameworks, policies and compliance related content, helping ensure that OCTET360's work appropriately distinguishes between organisational advisory, regulatory guidance and matters requiring formal legal advice.Her international experience is particularly valuable to OCTET360's work across responsible business governance, green claims, responsible AI, supply chain readiness and organisational policy, where regulatory requirements increasingly intersect with business processes and decision making.
Fluent in English, Finnish and Spanish, with strong Swedish, Maria also brings an international and cross cultural perspective to regulatory and governance challenges.
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