Callistus Amadi, MBA
Address: Plot 5, Afolabi Crescent, Ibeshe Titun, Ikorodu, Lagos, Nigeria
Phone: - | Email:-LinkedIn: linkedin.com/in/callistusamadi
Professional Summary
Seasoned business and operations manager with over a decade of experience in business
development, customer satisfaction, project management, and strategic operations across
multiple sectors. Proven track record in leading high-performing teams, streamlining business
processes, and delivering consistent growth. Holds an MBA in Advanced AI & Automation and
currently pursuing a Doctor of Business Administration (DBA) in Technology Management.
Certified NEBOSH professional with a passion for technology-driven innovation, operational
efficiency, and stakeholder satisfaction.
Work Experience
Hushwaters Nigeria Limited, Lagos, Nigeria
Operations Manager | Mar 2012 – Present
• Oversaw daily operations, optimized logistics and warehousing, and led customer engagement
initiatives.
• Led strategic planning, staff recruitment, training, and supervision across multi-functional
teams.
• Reduced customer complaints by over 90% through root cause analysis and process
improvement.
• Grew customer base by over 100,000 annually and maintained annual revenue of over USD 5
million.
• Developed and implemented innovative strategies to double customer acquisition within 12
months.
• Conducted market research and competitive analysis to maintain a leading edge in service
delivery.
• Liaised with partners and stakeholders to ensure seamless supply chain operations.
Joncal Project Management, Lagos, Nigeria
Project Management Instructor | Mar 2009 – Dec 2011
• Delivered over 900 hours of PMP certification training aligned with PMI’s PMBOK Guide.
• Designed customized training solutions and materials for corporate and individual clients.
• Evaluated training outcomes and led process improvements based on participant feedback.
• Mentored professionals in project planning, cost management, risk, and stakeholder
management.
National Youth Service Corps (NYSC), Osisioma, Nigeria
Corps Member | Mar 2008 – Feb 2009
• Taught senior secondary students Mathematics and Science subjects.
• Managed ISP network and significantly reduced downtime through proactive issue resolution.
Education
Doctor of Business Administration (DBA), Technology Management – ANAN University Business
School, Abuja. (2023 – Present)
MBA, Advanced AI & the Future of Automation – Nexford University, Washington DC, USA (2021
– 2022)
NEBOSH International General Certificate in Occupational Health and Safety – UK (2019)
Project Management Professional (PMP) – PMI, USA (2009)
B.Sc. Biochemistry – University of Ilorin, Nigeria (2003 – 2006)
Certifications
• PMP – Project Management Institute
• NEBOSH International General Certificate
• ISO 45001:2018 – Principles of Occupational Health and Safety Management Systems
• The COSHH Risk Assessor Certification™
• Think Road Safety – Road Safety Training for External Partners
• One-Minute Habits for Success
Skills
• Strategic Planning • Operational Management • Business Development • Customer
Satisfaction • Project Management • Root Cause Analysis • Financial Analysis • Technical
Writing• Team Leadership • Marketing • Data-Driven Decision Making
Languages
English – Proficient
Igbo – Proficient
References
Mr. John Atama
MD/CEO Hushwaters Ltd
Mobile: -, -
Email:-,-
Engr. Enwereaku Theophilus Enyinnayah
Marine Engineer, Valaries PLC
Email:-Mobile: -, -