Mumbi Gachau - Strategy Manager, Safaricom PLC

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Work Background

Safaricom PLCStrategy Manager

May. 2025

Duara EducationFounder's Associate

Oct. 2024 - Mar. 2025Nairobi County, Kenya

McKinsey & CompanyManagement Consultant

Jul. 2022 - Apr. 2024Nairobi, KenyaAt McKinsey & Company, I play a pivotal role in steering complex strategic initiatives that align with both corporate and developmental goals across the African continent. My core contributions include: 1. Strategic Development: Facilitated a groundbreaking strategic agreement between an African development bank and a global renewable energy alliance, projected to extend reliable electricity access to over 160 million people in five African countries. 2. Customer Experience Strategy: Developed and led the implementation of a customer experience enhancement strategy for a major telecommunications company, projected to improve customer satisfaction by 20% through refined service delivery. 3. Event Management: Orchestrated key high-profile events, including one during the Africa Climate Summit, where my efforts led to the convening of 100 key stakeholders and subsequent unlocking of $100 million in financing for climate projects aimed at reducing carbon emissions by 15 million tons. Carbon Credit Trading: Collaborated on a carbon credit trading agreement that facilitated the transparent exchange of $150 million in credits at COP28, directly reducing carbon emissions by 20 million tons. 4. Financial Impact: Created strategic, easy-to-implement actions for a community-based savings and credit institution, unlocking an additional KES 35 million in profit. 5. Leadership and Engagement: Actively led and participated in firm-wide initiatives aimed at enhancing community engagement and professional development. I chaired the invites subcommittee for our annual art exhibitions, increasing attendance by 25% over targets. Through these roles, I have not only enhanced my strategic and operational capabilities but also affirmed my commitment to delivering impactful, sustainable solutions that resonate across diverse stakeholder groups.

DeloitteAudit Senior

Feb. 2022 - Feb. 2022Nairobi County, KenyaAs an Audit Senior at Deloitte East Africa, I led and contributed to high-stakes audits, ensuring the highest standards of accuracy and regulatory compliance. My tenure is marked by a relentless focus on process improvement and operational excellence. Key achievements include: 1. Audit Leadership and Efficiency: Spearheaded the delivery of actionable recommendations across seven distinct audit areas, enhancing internal controls and reducing financial misstatements by 15%. Led the training and development of audit teams, significantly increasing our audit efficiency by 20%. 2. Process Improvement Initiatives: Initiated and managed five key process improvements that markedly enhanced audit efficiency and effectiveness, reducing audit completion times by 15% while maintaining impeccable accuracy and compliance standards. 3. Team Development: Mentored and trained three audit associates, fostering a collaborative team environment and enhancing skillsets to improve overall team performance and efficiency. 4. Performance Recognition: Consistently recognized for outstanding performance, ranking in the top quartile of my cohort during all semiannual reviews, reflecting my unwavering reliability and dedication to delivering superior audit services. My role at Deloitte reinforced my analytical skills and my ability to manage complex datasets and financial records, ensuring transparency and integrity in all financial reporting.

DeloitteSenior Audit Associate

Jun. 2021 - Feb. 2022Nairobi, KenyaIn my role as Audit Senior Associate at Deloitte East Africa, I led several initiatives focused on enhancing the accuracy and efficiency of our audit processes. My approach combined technical expertise with strategic oversight, ensuring adherence to the highest standards of financial reporting and internal controls. My contributions included: 1. Leadership in Audit Operations: Directed the execution of selected audit balances, emphasizing precision and compliance, which resulted in the streamlining of processes that decreased audit completion times by 15%. 2. Innovative Process Improvements: Led five key process improvement initiatives that significantly advanced both the effectiveness and efficiency of our audit procedures. 3. Team Development and Mentorship: Acted as a mentor to a team of audit associates, enhancing their skills and knowledge through targeted training and hands-on management, thereby boosting overall team performance. 4. Client Relationship Management: Cultivated strong relationships with key client contacts across multiple accounts, which not only enhanced client satisfaction but also secured repeat business and facilitated smoother audit engagements. 5. Quality Assurance: Ensured that all audit balances under my supervision met stringent quality control standards, thereby reducing the risk of compliance issues and enhancing the firm’s reputation for reliability. Through my efforts, I contributed to a culture of continuous improvement and high ethical standards, affirming my commitment to excellence and integrity in the auditing profession.

DeloitteAudit Associate

Aug. 2019 - Jun. 2021Nairobi, KenyaAs an Audit Associate at Deloitte East Africa, I was integral to executing comprehensive audits across various industries, fostering client relationships, and ensuring the highest standards of financial accuracy and integrity. My role involved: 1. Audit Execution: Assisted in the detailed execution of audits, ensuring compliance with both local and international financial reporting standards, and helping to maintain transparency and accuracy in client financial documents. 2. Client Engagement: Built and maintained robust relationships with clients, effectively communicating audit findings and working collaboratively to address compliance issues and improve financial practices. 3. Team Collaboration: Supported senior auditors and collaborated with team members to deliver audit services efficiently, contributing to the team's overall success and learning from seasoned professionals. 4. Professional Development: Demonstrated rapid professional growth and adaptability, quickly learning new skills and industry practices, which allowed me to take on increasing responsibilities within the audit team. 5. Quality Control: Contributed to the team’s adherence to quality control measures, ensuring all audits were completed to the highest standards of accuracy and professionalism. This position solidified my foundational skills in auditing and finance, reinforcing my analytical capabilities and my commitment to upholding ethical financial practices.

Strauss EnergyProject Management Intern

Jun. 2019 - Aug. 2019

GAUFF GmbH & Co. Engineering KGGraduate Engineer

Mar. 2019 - May. 2019Nairobi

Kenya Rural Roads AuthorityGraduate Engineer

Sep. 2018 - Feb. 2019Kenya

Kenya Rural Roads AuthorityIndustrial Attachment

Jun. 2017 - Aug. 2017KenyaRumuruti-Sipili-Ndindika Road Construction Project