Summary
Overview
Work History
Education
Skills
Locations
Timeline
Generic
Winnie Abiero

Winnie Abiero

C- Suite Executive Assistant
Nairobi

Summary

Dynamic and results-oriented C-Level Executive Assistant with over a decade of proven excellence in Executive Support, Executive Administration, and Operational Coordination. Adept at managing complex calendars, streamlining executive office operations, and acting as a trusted partner to senior leadership. Recognized for delivering high-impact support in fast-paced environments across diverse sectors, including Healthcare, Non-profit, Consulting, Banking, and Manufacturing. Known for discretion, organizational acumen, and the ability to anticipate executive needs while driving efficiency and effectiveness at the highest levels of business.

Overview

14
14
years of professional experience
2050
2050
years of post-secondary education

Work History

Executive Assistant to the Regional CEO and Cluster Chief Executive Officer

Aga Khan Health Services
Mombasa And Nairobi, Mombasa District
08.2022 - Current

•Manage and maintain the Chief Executive Officer’s diary including booking and rescheduling
appointments.
•Receive and attend internal and external correspondence and telephone calls for the Chief Executive
Officer’s office to ensure they are carried out timeously.
•Receive external emails from the Hospital’s general email account and forward them to the relevant
departments in a timely manner.
•Receive and submit documents requiring the Chief Executive Officer’s attention and/or approval and
dispatch the same to relevant departments upon approval.
•Facilitate Chief Executive Officer and Senior Leadership Team meetings ensuring video conferencing facilities are set up, requisitioning for food and beverage service as well as sending invitations and booking of rooms.
•Facilitate travel arrangements and logistics including visa processing, flight, and hotel reservations.
•Record, circulate and track action points in the Chief Executive and Senior Leadership meetings.
•Receive and disseminate the Chief Executive Officer’s communication to relevant audiences as directed
by the Chief Executive Officer.
•Receive and attend to complaints from clients that come to the Chief Executive Officer’s office and
follow up to ensure timely closure.
•Overall administration and coordination of the affairs of the Chief Executive Officer’s office including keeping and updating the database of the Hospital contacts and strategic contacts for the Chief Executive Officer.
•Ensure the hard and soft copy of the Chief Executive Officer’s filing systems are in order and up to date
and confidentiality of the information is maintained.
•Perform any other duty as may be assigned by the Supervisor from time to time.

Administrative Officer

Mtenders Africa Services Limited
Nairobi, Nairobi Province
10.2019 - 07.2022

•Oversee and achieve organizational goals while maintaining an efficient, productive, and positively cultured office and employee experience.
•Manages day-to-day operations, ensuring the quality, standards and meeting the expectations of the customers daily.
•Works Closely with the General Manager to plan and execute all organization related events and programs.
•Arrange complex and detailed travel plans, determining travel needs for all upcoming trips, and arranging flight and accommodation bookings as well as on the ground logistics within parameters for cost and convenience.
•Anticipating and responding to the Manager’s needs relative to upcoming meetings and events; coordinating
and managing appropriate resources; and ensuring follow-up is completed for each and every meeting.
•Support with the preparation of agenda, circulating any necessary papers, and ensuring the keeping of accurate minutes.
•Strong calendar management with ability to make organized decisions about scheduling meetings, resolving calendar conflicts, working in conjunction with multiple calendars, proper time zones and documentation within the calendars.
•Coordinating the management of the office administration function and supporting the finance team with management of accounts and budgetary control.

Executive Secretary to the Senior Clinician

Kenya Orthodontic Services Limited
Nairobi, Nairobi Province
04.2017 - 07.2019
  • Led all executive-level administrative and operational tasks, including meeting coordination, vendor liaison, and logistical planning.
  • Managed transport, allowances, and facility-related needs for clinic operations.
  • Handled procurement of office supplies and medical consumables.
  • Maintained communication and follow-ups with staff, patients, and suppliers.
  • Organized and updated schedules for executives.
  • Coordinated travel arrangements and bookings for executive staff.
  • Responded to emails and other correspondence to facilitate communication and enhance business processes.
  • Demonstrated flexibility adapting quickly when new tasks or responsibilities arose, maintaining a high level of performance under pressure.
  • Enhanced overall office efficiency with proactive problem-solving skills applied to daily challenges or unexpected situations.

Customer Service Executive

National Bank of Kenya
Mombasa, Mombasa District
12.2012 - 02.2017
  • Delivered client-focused banking support and handled internal operations, loan processing, and customer account management.
  • Supported internal compliance processes and coordinated communication between departments.
  • Participated in service delivery improvements and customer experience initiatives.
  • Enhanced customer satisfaction by promptly addressing inquiries and resolving issues.
  • Managed high volume of inbound calls while maintaining a professional demeanor and ensuring timely resolution of issues.
  • Leveraged strong interpersonal skills to build lasting relationships with customers, fostering brand loyalty and repeat business.
  • Collaborated with cross-functional teams to improve overall customer experience within the company.
  • Described product and service details to customers to provide information on benefits and advantages.
  • Contributed towards improving overall customer feedback scores by consistently delivering high-quality service experiences.
  • Escalated critical customer issues to supervisor to avoid lost revenue and canceled policies.

Receptionist /Secretary (to the Commercial Manager)

East Africa Packaging Industries Limited
Mombasa, Mombasa District
08.2011 - 11.2012
  • Managed front office operations, phone systems, and visitor handling.
  • Handled procurement tracking and administrative support for commercial operations.
  • Maintained security logs, office supply inventories, and documentation records.
  • Greeted incoming visitors and customers professionally and provided friendly, knowledgeable assistance.
  • Answered phone promptly and directed incoming calls to correct offices.
  • Maintained a well-organized reception area with updated materials, contributing to a welcoming environment for visitors.
  • Corresponded with clients through email, telephone, or postal mail.
  • Streamlined front desk operations for increased efficiency by effectively managing phone calls, emails, and walk-in clients.
  • Demonstrated strong multitasking abilities while managing numerous tasks simultaneously under tight deadlines.

Education

Associate of Arts - School of Business & Economics

Mount Kenya University
Thika, Nairobi Province, Kenya
04.2001 - Current

Skills Development Course - Business Administration

Aga Khan University
Nairobi

Diploma - Information Technology

Alliance Institute of Research And Management Studies
Mombasa

Certificate - QuickBooks (Accounting Software)

Binary Computer Network

Certificate - Information Technology (IT)

Binary Computer Network

KCSE - undefined

Coast Girls High School

KCPE - undefined

Rise and Shine Academy

Skills

Cross-departmental collaboration

Locations

  • Nairobi, Nairobi, Kenya
  • Mombasa, Mombasa, Kenya

Timeline

Executive Assistant to the Regional CEO and Cluster Chief Executive Officer

Aga Khan Health Services
08.2022 - Current

Administrative Officer

Mtenders Africa Services Limited
10.2019 - 07.2022

Executive Secretary to the Senior Clinician

Kenya Orthodontic Services Limited
04.2017 - 07.2019

Customer Service Executive

National Bank of Kenya
12.2012 - 02.2017

Receptionist /Secretary (to the Commercial Manager)

East Africa Packaging Industries Limited
08.2011 - 11.2012

Associate of Arts - School of Business & Economics

Mount Kenya University
04.2001 - Current

Certificate - QuickBooks (Accounting Software)

Binary Computer Network

Certificate - Information Technology (IT)

Binary Computer Network

KCSE - undefined

Coast Girls High School

KCPE - undefined

Rise and Shine Academy

Skills Development Course - Business Administration

Aga Khan University

Diploma - Information Technology

Alliance Institute of Research And Management Studies
Winnie AbieroC- Suite Executive Assistant