JESCA MARIWA
Arusha,Tanzania
Summary
Technical Lead with proven expertise in compliance and certification, specializing in international standards such as ISO 9001, ISO 17065, GLOBALG.A.P., Rainforest Alliance, and C.A.F.E. Practices Standards within the agricultural sector. Successfully led horticultural projects that enhanced productivity and sustainability while optimizing value chain efficiency. Demonstrated ability to cultivate high-performing teams and streamline operations for long-term success.
Overview
10
10
years of professional experience
6
6
years of post-secondary education
1
1
Certification
Work history
Technical lead
GreenCert Limited
Arusha
01.2021 - Current
- Lead compliance programs for international standards and certifications.
- I promote the importance of impartiality and confidentiality throughout daily work in the company.
- Conduct GLOBALG.A.P. audits and climate/environmental assessments. I conduct GLOBALG.A.P. Option I and II audits.
- Preparing results of audits with clients and developing audit plans and completing assigned audits within the determined timeframe.
- Deliver presentations to farmers, exporters, and product user groups on GLOBALG.A.P. standards and implementation.
Conduct climate and environment assessments to support sustainability certification and environmental compliance. - Monitor industry trends and identify client needs, and champion these within the organization.
- Maintaining the company's compliance with ISO 17065, ISO 9001, and ISO 19011 standards.
- Conducting internal audits and implementing corrective actions for all external audits.
- Drafting, reviewing, and updating Standard Operating Procedures (SOPs) and Policies under ISO 17065
- Monitoring and evaluating personnel performance, developing and implementing standards for inspection, and communicating with other team members to solve problems.
Research intern
TAHA (Tanzania Horticultural Association)
Arusha
06.2020 - 12.2020
- In the production department, I was performing agronomic tasks such as crop, water and soil management and implementation of the Integrated Pest Management (IPM) systems in farms.
- In the Agri-Finance department, which deals with developing farmers entrepreneurial skills and financial literacy, using problem-solving skills, I developed innovative research solutions for solving small-scale farmer problems.
- Assisting small-scale farmers in filling out loan applications and guiding them through the necessary documents required for the loan application to be sanctioned.
- Preparing training materials on entrepreneurship and financial literacy and leading focus group discussions on trainings facilitated for small-scale farmers.
- Collaborated with the BuSi Program to implement community-based agri-projects, executing and managing these projects. and attended and contributed to meetings to devise such program activities and projects.
Administrative Assistant
Burka Coffee Estates
Arusha
01.2016 - 03.2017
- Assisted in the preparation of regularly scheduled reports for upper management review.
- Streamlined administrative processes for increased efficiency in the workplace.
- Managed front desk duties to ensure smooth operation of the reception area.
- Submitted timely reports that provided critical updates on various projects.
- Updated company databases by inputting new employee contact information and employment details.
- Ensured efficient travel arrangements for staff, including booking flights and accommodations.
- Assisted with budget preparations, enabling effective financial planning.
- Expedited document filing system with a new, organized method.
- Received and checked financial statements and reconciled related accounts.
- Arranged supplies, documents, and spaces for meetings.
- Partnered with management to implement processes and complete special projects.
- Handled the scheduling of meetings and calendar management for senior staff.
- Prepared bank deposits, checking and correcting any errors.
- Maintained company purchase and sales ledgers.
- Monitored account payable and receivable statuses, keeping financial records up-to-date.
Education
Master of Business Administration - Entrepreneurship Education
WENZHOU UNIVERSITY
10.2017 - 10.2020
Bachelor of Arts - Political Science, Economics
CATHOLIC UNIVERSITY OF EASTERN AFRICA
08.2013 - 10.2016
Skills
- ISO 9001 compliance
- Quality Assurance
- Audit management and reporting
- Database administration
- Health and Safety Compliance
- Team Leadership
- Public speaking
- GLOBALGAP, Rainforest Alliance, and CAFE Practices
- Ethical standards upholding
- Excellent communication
- Microsoft Office proficiency
Accomplishments
- Training UNBS (Uganda National Bureau of Standards) delegates on GLOBALG.A.P. IFA V6 General Regulations and principles and criteria, Kampala - January 2025
- Training Youths of World Vegetable Center under Tanzania Vijana Agribusiness Enterprises on GLOBALG.A.P. Integrated Farm Assurance Course, Arusha - September 2024
Custom
- Zacharia Kiputa, Food safety and Standards Officer, TAHA, zachariakiputa@gmail.com, +255 743 778 736
- Boniphace Mwanje, Manager of FARMCARE, boniphacemwanje@gmail.com, +255 719 880 905
- Irene Kessy, Entrepreneur, irenejkessy@gmail.com, +255 784 299 070
Languages
English
Fluent
Chinese (Mandarin)
Elementary
Affiliations
- Travelling
- Journaling
- Reading Books
Certification
- Certificate of completion of C.A.F.E. Practices Standard Training (SCS Global, June 2025)
- Certificate of completion on traceability (COLEAD, December 2024)
- Certificate of completion of Regional Plant Health Inspector's Course (EAC, March 2023)
- Certificate of completion of Crop Protection course, 01/2023
- Certificate of completion of Hygiene and Food Safety course (COLEAD, January 2023)
- Certificate of completion of IPM and Pesticide Safety Training course (SIL, January 2023)
- Certificate of completion of Food Management Systems & HACCP Training course (GREENCERT, May 2021)
- Certificate of Quality Management Systems and Internal Inspector Workshop (GLOBALG.A.P. Academy, April 2021)
- Certificate of Farm Assurer Workshop (GLOBALG.A.P. Academy, March 2021)
- Certificate of achievement in ISO 9001:2015 Lead Auditor Training Course (Bureau Veritas, October 2020)
Timeline
Technical lead
GreenCert Limited
01.2021 - Current
Research intern
TAHA (Tanzania Horticultural Association)
06.2020 - 12.2020
Master of Business Administration - Entrepreneurship Education
WENZHOU UNIVERSITY
10.2017 - 10.2020
Administrative Assistant
Burka Coffee Estates
01.2016 - 03.2017
Bachelor of Arts - Political Science, Economics
CATHOLIC UNIVERSITY OF EASTERN AFRICA
08.2013 - 10.2016
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