Mark

Marketing Virtual Assistant

Mark

ID Verified
1,000/mo
Nairobi, Kenya
Looking for Full-time
10 hours/day
Availability: US / EU / Asia timezone

Profile Description

I am a detail-oriented Virtual Assistant and Marketing Communications Professional with a background in administrative support, digital marketing, social media management, and AI evaluation. I help businesses stay organized, manage daily operations, engage their audiences, and complete critical tasks efficiently. My strengths include communication, research, content creation, data management, customer support, and project coordination. I am dependable, adaptable, and committed to delivering qual...

Top Skills

Google Sheets (Advanced) · 5 yearsA/B Testing for ML · 4 yearsAdobe Illustrator · 4 yearsAdobe InDesign · 4 yearsAdobe Photoshop · 4 years

Skills & Expertise

AI & Automation

OpenAI APIAdvanced
A/B Testing for MLAdvanced
Data LabelingAdvanced
Model EvaluationAdvanced
GitHub CopilotAdvanced
PerplexityAdvanced
Prompt EngineeringAdvanced
AI Agent DevelopmentAdvanced
LLM Fine-tuningAdvanced
AI Safety & AlignmentAdvanced
Claude/Anthropic APIAdvanced
Computer VisionAdvanced
Reinforcement LearningAdvanced

Content & Writing

SEO Content WritingAdvanced
Creative WritingAdvanced
CopywritingAdvanced
Email CopywritingAdvanced
Editorial Calendar ManagementAdvanced
Technical WritingAdvanced

Customer Success

Social Media SupportAdvanced
Live Chat SupportAdvanced
Email SupportAdvanced
Phone SupportAdvanced
Lead ManagementAdvanced
Technical SupportAdvanced
Video SupportAdvanced
ZendeskAdvanced

Data & Analytics

Google Sheets (Advanced)Expert
Excel (Advanced)Advanced
Data MiningAdvanced
TableauAdvanced
SQLAdvanced
Google Analytics 4Advanced
Python (Pandas/NumPy)Intermediate

Design & Creative

FigmaAdvanced
Adobe PhotoshopAdvanced
Adobe InDesignAdvanced
Adobe IllustratorAdvanced
CanvaAdvanced
CorelDRAWAdvanced
Social Media GraphicsAdvanced
Brand Identity DesignAdvanced
Adobe Premiere ProAdvanced
DaVinci ResolveAdvanced
CapCutAdvanced
Video EditingAdvanced
YouTube OptimizationAdvanced

Marketing & Growth

Content StrategyAdvanced
Instagram GrowthAdvanced
LinkedIn OptimizationAdvanced
YouTube Channel ManagementAdvanced
Influencer OutreachAdvanced
TikTok GrowthAdvanced
Social Media AnalyticsAdvanced
Twitter/X ManagementAdvanced
Community ManagementAdvanced
SEO (Technical & Content)Advanced
Google AdsAdvanced
LinkedIn AdsAdvanced
Meta Ads (Facebook/Instagram)Advanced
TikTok AdsAdvanced
Content MarketingAdvanced
HubSpotAdvanced

Sales & Business Development

Cold CallingAdvanced
Lead GenerationAdvanced
Cold Email OutreachAdvanced
Zoho CRMAdvanced
ZoomInfoAdvanced

Specialized Skills

OnboardingIntermediate
Employee RelationsIntermediate

Virtual Assistance & Admin

Calendar ManagementAdvanced
Travel PlanningAdvanced
Data EntryAdvanced
Executive Assistant ServicesAdvanced
Research & Information GatheringAdvanced
BardeenAdvanced
Document ManagementAdvanced
Email ManagementAdvanced
Meeting CoordinationAdvanced
Personal Assistant ServicesAdvanced
CalendlyAdvanced
NotionAdvanced
TrelloAdvanced
AsanaAdvanced
AirtableAdvanced
JiraAdvanced

Work Experience

Data Annotation & Quality Assurance Specialist

CloudFactory

Oct 2023 - Mar 2026

Key Achievements:

Annotated and validated large-scale datasets across text, image, and structured data projects to support machine learning model development. Conducted quality assurance reviews to ensure compliance with client specifications and data quality standards, consistently exceeding accuracy benchmarks. Identified and corrected annotation inconsistencies, improving dataset reliability and downstream model performance. Documented workflow issues and submitted process improvement recommendations that enhanced operational efficiency across project streams. Managed high-volume annotation pipelines concurrently within a fully remote, globally distributed team under tight deadlines.

AI Agent DevelopmentOpenAI APIReinforcement LearningLLM Fine-tuningAI Safety & AlignmentData LabelingComputer VisionA/B Testing for ML

AI Trainer & Evaluation Specialist

Pareto.ai

Jan 2024 - Dec 2025

Key Achievements:

Evaluated AI-generated responses for accuracy, relevance, clarity, safety, and alignment with user intent. Provided structured human feedback to improve large language model (LLM) performance across NLU and NLG tasks. Performed prompt-response analysis to identify patterns, hallucinations, and inconsistencies, producing detailed optimisation reports. Applied prompt engineering and critical reasoning to refine AI outputs across diverse task categories. Met strict quality and productivity targets on multiple concurrent projects in close collaboration with distributed QA teams.

Data LabelingLLM Fine-tuningAI Safety & AlignmentClaude/Anthropic APIA/B Testing for MLOpenAI APIAI Agent DevelopmentPrompt EngineeringComputer Vision

Marketing Communications Specialist

Sema Limited

Jan 2023 - Dec 2024

Key Achievements:

Developed and executed internal and external communication strategies aligned with organisational goals and donor reporting requirements. Produced high-engagement digital content across platforms, measurably boosting brand visibility and audience interaction. Coordinated cross-functional communications to ensure consistent messaging across departments and external stakeholders. Managed stakeholder relationships and provided strategic support for corporate branding and reputational initiatives.

Data EntryExecutive Assistant ServicesEmail ManagementCold CallingCalendar ManagementTravel PlanningContent MarketingSocial Media GraphicsAdobe InDesignSEO (Technical & Content)Brand Identity DesignCanva

Marketing Communications & Brand Strategist

Jamhuri Xclusive

2020 - 2023

Key Achievements:

Designed and executed multi-channel digital marketing campaigns, improving customer engagement and brand reach. Managed all social media channels with data-driven growth strategies, monitoring KPIs and optimising continuously for performance. Developed brand narratives and storytelling content that strengthened audience connection and business identity. Handled client briefs, correspondence, and project coordination end-to-end as the primary point of contact for business accounts.

Data EntryZoho CRMLead GenerationCold CallingExecutive Assistant ServicesCalendar ManagementResearch & Information GatheringTravel PlanningOnboardingCold Email OutreachTikTok AdsInstagram GrowthInfluencer OutreachContent MarketingContent StrategyYouTube Channel ManagementTikTok GrowthSocial Media GraphicsBrand Identity DesignCapCutAdobe Premiere ProVideo EditingCorelDRAWAdobe InDesignAdobe IllustratorCanva

Social Media Manager

ViteDoX Kenya

Mar 2021 - Jan 2022

Key Achievements:

Grew the company's follower base and improved engagement rates across multiple platforms through consistent content planning and execution. Monitored analytics to refine campaigns iteratively, increasing reach and audience quality. Responded to customer inquiries promptly across channels, strengthening brand trust and user satisfaction.

Personal Assistant ServicesDocument ManagementEmail ManagementCalendar ManagementTikTok GrowthInstagram GrowthTikTok AdsSocial Media SupportAdobe Premiere ProVideo EditingAdobe IllustratorCanvaAdobe PhotoshopBrand Identity DesignCapCutSEO (Technical & Content)Content MarketingSocial Media AnalyticsCalendlyEmployee RelationsData EntryZoho CRMCold CallingCold Email Outreach

Quick Stats

Age27 years
English LevelFluent
Other Languages
SwahiliFluent
ID VerificationVerified

Certifications

Advertising with Meta
Fundamentals of Social Media Advertising
Measure and Optimize Social Media Marketing Campaigns
Introduction to Social Media Marketing
Social Media Management
Fundamentals of digital marketing

Education

Bachelor's Degree

Jomo Kenyatta University of Agriculture and Technology

2018 - 2020