Nnabugwu-Bugo ONYEUKWU
Manchester,United Kingdom
Summary
A skilled professional with expertise in AI Response Evaluation, Prompt Engineering, and AI Training, specialising in Human Feedback Evaluation (RLHF) and Large Language Models (LLMs). Demonstrates proficiency in Data Annotation, AI Content Review, and AI Quality Assurance, ensuring high standards through Fact Checking and Prompt Testing. Utilises Critical Thinking and Logical Reasoning to enhance Research, Data Validation, Error Detection, and Pattern Recognition processes. Committed to Quality Control and Process Improvement through Root Cause Analysis. Adept at using tools such as ChatGPT, Claude, Microsoft Excel, Google Sheets, Microsoft Office, HubSpot, Salesforce, Marketo, HTML/CSS, and Google Workspace to drive efficiency.
Overview
1
1
Certification
11
11
years of professional experience
Work history
Marketing Operations Manager
OAD Solutions
London Area
2025.01 - 2026.07
- Boosted Client Email Engagement by 42% through designing and executing highly segmented and personalized email campaigns across B2B enterprise accounts, leveraging advanced marketing automation tools to optimize open rates, click-through rates, and conversions.
- Optimised campaign ROI by 53% through A/B testing subject lines, creative formats, and send times across high-volume email deployments, while driving over $500K in marketing-sourced pipeline within one fiscal year by aligning marketing automation.
- Achieved 35% reduction in campaign execution time by streamlining email marketing workflows, automating tasks, and introducing standardised templates, enabling faster turnaround while maintaining quality and compliance.
- Generated more than $160k in New Revenue within 12 months by spearheading targeted business development initiatives that identified untapped market segments, nurtured high-value leads through digital campaigns, and converted them into long-term clients.
- Expanded client retention rates by 28% through development and management of ongoing engagement programmes, incorporating post-campaign performance reviews, personalised follow-up sequences, and customer feedback integration to enhance relationships.
Marketing Operations Consultant (Operations & Automation)
ChakaPay
London Area
2021.01 - 2025.01
- Implemented lead lifecycle management and scoring models alongside GDPR compliance workflows, minimising manual intervention in lead handling and boosting sales-qualified leads (SQLs) by 30% while maintaining 100% regulatory compliance.
- Executed 50+ end-to-end campaigns across Marketo, HubSpot, and Salesforce, streamlining workflows and optimising targeting strategies, achieving 25% increase in lead engagement and campaign responsiveness.
- Integrated ZoomInfo with marketing automation platforms to enrich prospect data and align marketing with sales, enhancing account-based strategies and improving lead-to-opportunity conversion rates by 15%.
- Designed and coded custom HTML/CSS email templates and optimised landing pages in Marketo, enabling brand-consistent messaging and improved user experience that drove 20% lift in click-through rates (CTR).
- Played integral role in development of organisational policies and procedures.
Head of Operations (Digital Marketing)
Stanbic IBTC Bank Plc
Lagos NG
2016.01 - 2021.01
- Led strategic planning execution by introducing structured business planning framework, translating corporate objectives into 10+ actionable departmental goals, and ensuring 100% alignment across teams.
- Directed cross-functional team of 15+ staff, including Operations Manager and sectional heads, by preparing optimized work plans, delegating tasks effectively, and overseeing delivery timelines, resulting in 20% increase in task completion rate.
- Improved performance and accountability by implementing monitoring and evaluation tools to track productivity metrics, identify gaps, and recommend process adjustments, leading to measurable gains in service delivery and cost control.
- Reviewed monthly financial statements, income reports, marketing results, and operational activity reports to enhance decision-making accuracy and ensure compliance with organisational and regulatory requirements.
- Redesigned administrative workflows and streamlined facility maintenance processes, aligning them with budgetary controls to minimise downtime and eliminate business disruption.
Education
Master's Degree - Data Science & Management
Rome Business School
Rome, ItalyBachelor of Science - Mathematics & Economics
University of Nigeria
NsukkaSkills
- AI Response Evaluation/Prompt Engineering
- Human Feedback Evaluation (RLHF)
- Large Language Models (LLMs)
- Data Annotation
- AI Quality Assurance/Prompt Testing
- Critical Thinking
- Error Detection
- Microsoft Office
Certification
- Adobe Certified Professional - Marketo Engage Business Practitioner
- Hubspot Email Marketing Certification
- PGP, Data science and analytics, McCombos School of Business, University of Texas
- Associate member Corporate Institute of Risk and Safety Management (Accredited by Federal Ministry of Education and Justice , Nigeria)
Timeline
Marketing Operations Manager
OAD Solutions
2025.01 - 2026.07
Marketing Operations Consultant (Operations & Automation)
ChakaPay
2021.01 - 2025.01
Head of Operations (Digital Marketing)
Stanbic IBTC Bank Plc
2016.01 - 2021.01
Bachelor of Science - Mathematics & Economics
University of Nigeria
Master's Degree - Data Science & Management
Rome Business School