Brian Tanui, CFA, is a finance and investments specialist with over eight years of experience across investment banking, asset management, and corporate advisory in Europe and Africa. He holds an MBA from the Frankfurt School of Finance & Management and is a CFA charterholder. He currently serves as Finance & Investments Consultant at Osprey Company Limited, advising on capital structure optimization, financial modelling, and M&A transactions across the DACH and East Africa regions.

Previously, Brian was the Equities Dealer and Head of Derivatives at AIB-AXYS Africa, where he led institutional deal sourcing, built an alternative investments department, and conceptualized a derivatives market-making joint venture with the Nairobi Securities Exchange. His earlier career included roles as a Group Business Analyst at KAAB Investments and a Financial Markets Analyst at Futures First Kenya, trading commodity futures on the Chicago Mercantile Exchange. He combines strong technical skills with extensive experience to create unique financial products and solutions for the firm’s clients.

William Baloni Ngumbao is passionate about global macroeconomics, financial markets, investment research, and data-driven financial analysis. A Bachelor of Science in Financial Engineering graduate with FMVA and BIDA certifications, as well as an ALX Data Science certification, he has developed a strong foundation in financial analysis, valuation, financial modelling, quantitative methods, and data science. His experience spans consulting, audit, renewable energy finance, manufacturing and investment banking.

His interests lie at the intersection of macroeconomic trends, monetary policy, financial markets, fundamental equity analysis, and data science. He is particularly interested in understanding how economic developments, market sentiment, and company fundamentals interact to influence asset prices and investment decisions, while leveraging data and quantitative techniques to generate deeper insights.

Driven by continuous learning and a commitment to becoming a well-rounded investment professional, William seeks to combine financial expertise with analytical and data-driven approaches to produce research that supports informed investment decisions and long-term value creation.

Mokeira works with the Advisory team, supporting the execution of corporate finance and strategic advisory engagements. Her work spans financial analysis, valuation, market research, and transaction support across a range of sectors.

She has an academic background in Economics and Statistics and has completed Level I of the CFA Program. Her academic and professional experience has provided her with a strong foundation in financial and quantitative analysis, which she continues to apply across a range of advisory engagements

Branden Mwai Wachira is a finance professional with strong analytical capabilities and experience across investment banking, asset management, and corporate finance. He holds a BSc Finance from United States International University (USIU) and holds ACCA qualifications.

His experience includes emerging markets research and analysis within asset management, where he conducted investment due diligence on high-potential markets and supported portfolio decisions, and financial operations exposure in the aviation sector. He brings proficiency in Microsoft Office, combined with expertise in financial modeling, data analytics, and client relationship management.

Branden demonstrates strong technical competency in financial analysis, valuation, and budget modeling, with practical exposure to investment processes and multi-stakeholder collaboration. He is analytical, detail-oriented, and committed to supporting investment decision-making through rigorous financial analysis and clear reporting.

Benson Irungu is a corporate finance and transaction advisory professional with experience in M&A, sustainable finance, financial due diligence, valuation, financial modelling, capital raising and strategic advisory across emerging markets.

Prior to joining Rock Investment Bank, he gained experience at KPMG East Africa and PwC Kenya, advising on complex transactions across financial services, renewable energy, telecommunications, manufacturing, agriculture, healthcare and consumer sectors. His cross-border experience spans Sub-Saharan Africa, Latin America and Southeast Asia, providing broad exposure to transactions and investment opportunities across emerging markets.

His experience also includes supporting the consolidation of Kenya’s Coca-Cola bottling companies into CCBK and working within the Value Creation Office on a global SME Ventures value creation programme focused on emerging markets globally.

He is a Certified Investment and Financial Analyst by the ICIFA body and holds a Bachelor of Economics Degree from Kenyatta University. He brings strong analytical capabilities, transaction experience and a passion for helping businesses and investors unlock value across emerging markets.

Emmanuel is a strategic Communications and Media Production professional with two years of experience in public relations, brand positioning, and multimedia storytelling.  

He holds a Bachelor of Arts in Communication and Media Technology with IT and has a strong background in broadcast media, corporate media production, and digital marketing. Emmanuel leverages these capabilities to strengthen brand reputation, enhance audience engagement, and deliver impactful communication.
His expertise includes executive content creation, media relations, and end-to-end visual content production.