Meet Our Team

Professional experts dedicated to your financial success
Dr. Calistus Wekesa

Dr. Calistus Wekesa, Ph.D., CPA(K), CPS(K), B.Ed, LL. B, MSc, RCP.

Managing Partner

Dr. Calistus Wekesa is a distinguished governance and finance expert with over 21 years of experience in auditing, risk management, legal compliance, and corporate governance. He holds a Ph.D. in Business Administration (Finance) alongside multiple academic and professional qualifications, including CPA(K), CPS(K), a Bachelor of Education, Bachelor of Laws, and a Master of Science in Finance. Dr. Wekesa has held senior leadership roles in government institutions, academia, development agencies, and corporate boards, where he has consistently delivered strategic insights and led high-impact governance and financial reforms.

Dr. Dominic Omboto

Dr. Dominic Omboto, PhD, MBA, B.Ed (Tech), CPS(K), CPA(K), HDip HRM

Strategic Policy & Governance Expert

Dr. Dominic Omboto holds a PhD and MBA in Strategic Management, B.Ed (Technology), CPS(K), CPA(K), and a Higher Diploma in HRM. He is a certified ISO 9001:2015 auditor and a strategic policy expert. Currently Deputy Director at NaMATA, he has vast experience in governance, research, teaching, consultancy, and curriculum development, serving in senior roles across multiple national institutions.

CPA Hassan Alhaji Yusuf Suleiman

CPA Hassan Alhaji Yusuf Suleiman, CPA(K), MSc, B.Com

Partner

CPA Hassan Alhaji Yusuf Suleiman is a seasoned auditor and risk management professional with over 20 years of experience in internal audit, finance, and governance. He holds a CPA (K), MSc in Finance and Investments, B.Com in Finance, and is pursuing a PhD in Business Administration (Finance). He has led high-impact audits, implemented internal controls, and served in senior roles across major public institutions.

CHRM James Wanyama

CHRM James Wanyama, CHRP(K), MSc, B.Ed

HR & Governance Specialist

CHRM James Wanyama, CHRP(K), is a PhD candidate in HRM and holds MSc and B.Ed degrees from Moi University. He is a Certified Trustee, leadership and governance expert, and seasoned HR professional with 12+ years' experience. He has held executive roles, led training in HR and retirement planning across Africa, and contributed to curriculum design, strategic planning, and board development.

Masika M. James

Masika M. James, MBA, KOICA Alumni

Senior Administrator & International Programs Lead

Masika M. James is a Senior Administrator at Kenyatta University, leading international programs, AI innovations, and global partnerships. He holds dual MBAs and a certificate in sustainable business. As KOICA Alumni Kenya Chapter Secretary, he promotes Kenya-Korea ties and mentors professionals in sustainable development.

Our Core Values

At CALISTUS & COMPANY CONSULTANTS (CPAK), our core values guide everything we do. They define who we are as a company and how we interact with our clients, partners, and each other.

Quality

We are committed to delivering high-quality services that exceed our clients' expectations.

Responsibility

We take responsibility for our actions and decisions, ensuring that we deliver on our promises.

Integrity

We uphold the highest standards of integrity and ethics in all our dealings.

Independence

We maintain our independence and objectivity in all our professional judgments.

Get In Touch

Ready to take your business to the next level? Contact us today to learn more about our services and how we can help you achieve your financial goals.

Email Us

Send us an email and we'll get back to you as soon as possible.

info@calistusconsultants.co.ke

Call Us

Give us a call and speak directly with one of our experts.

+254 722 851 706

Visit Us

Information Hse 4th Floor Room No. 411B
Mfangano Street Near Afya Centre
P.O. Box 10670 - 00400 Nairobi