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Herctum Consulting is an advisory firm dedicated to elevating organisational performance across the public and private sectors. Founded by Dahunsi Ogunleye—whose 35-year career spans classroom teaching, senior civil-service leadership, and specialised HR consultancy—the company combines deep institutional insight with bespoke writing, editing, and performance-management expertise.

What Sets Us Apart

  • Holistic Expertise: From grant proposals and policy briefs to performance-management rollouts and stakeholder-engagement plans, we cover the full spectrum of advisory needs.

  • Hands-On Leadership: With Dahunsi’s decades of frontline experience in both education and government, clients benefit from insights that go beyond theory to reflect real-world realities.

  • Tailored Approach: We shun off-the-shelf solutions—every deliverable is crafted to your context, culture, and strategic priorities.

Dahunsi Ogunleye B.A (Hons), M.P.P., MPICM Founder

Dahunsi Ogunleye offers 35 years of public-service expertise, including nine years teaching in Nigerian secondary schools and over 25 years in senior civil-service roles. He’s held director-level positions across eight agencies and served as Permanent Secretary in both the Bureau of Public Service Matters and the Office of the Governor.

As an MCIPM-certified HR specialist, Dahunsi optimized careers for 20,000+ teachers at the Ogun State Teaching Service Commission—streamlining appointments, promotions, discipline, and development to meet strategic goals.

While earning his Master’s in Personnel Psychology, he researched stress-coping among teachers and explored how leadership, rewards, and discipline affect junior-staff productivity. His work has informed policy and been presented at multiple forums.

Passionate about elevating public-sector performance, Dahunsi partners with agencies, unions, and stakeholders to build cohesive, high-performing teams. At Herctum Consulting, he applies rigorous analysis, clear communication, and compassionate leadership to craft compelling narratives, implement effective HR frameworks, and navigate complex administrative challenges.

Our Philosophy

To empower organisations with clear, compelling communication, data-driven human-capital strategies, and pragmatic public-service guidance that together drive measurable results and sustainable impact.

Our Mission

To empower organisations with clear, compelling communication, data-driven human-capital strategies, and pragmatic public-service guidance that together drive measurable results and sustainable impact.
A world in which every institution—whether government agency, non-profit, or private enterprise—maximises its people’s potential, navigates regulatory complexity with confidence, and tells its story in a way that resonates with stakeholders.

Our Vision

A world in which every institution—whether government agency, non-profit, or private enterprise—maximises its people’s potential, navigates regulatory complexity with confidence, and tells its story in a way that resonates with stakeholders.

Core Values

Integrity

We uphold the highest standards of professionalism, confidentiality, and ethical conduct.

Collaboration

We listen deeply, build trust with stakeholders, and co-create strategies that stick.

Excellence

We deliver polished, evidence-based solutions, continuously refining our methods through research and feedback.

Innovation

We blend proven frameworks with creative problem-solving to address each client’s unique challenges.