Hi, I’m Siobhán Mannion, a content and social media strategist with experience owning end-to-end campaigns for purpose-led projects and small businesses. I’ve led long-running social campaigns across Instagram, TikTok, and Meta, driving 20,000+ follower growth and securing national and international media coverage.

Siobhan Mannion

Hi, I’m Siobhán Mannion, a content and social media strategist with experience owning end-to-end campaigns for purpose-led projects and small businesses. I’ve led long-running social campaigns across Instagram, TikTok, and Meta, driving 20,000+ follower growth and securing national and international media coverage.

Available to hire

Hi, I’m Siobhán Mannion, a content and social media strategist with experience owning end-to-end campaigns for purpose-led projects and small businesses.

I’ve led long-running social campaigns across Instagram, TikTok, and Meta, driving 20,000+ follower growth and securing national and international media coverage.

See more

Experience Level

Intermediate

Language

English
Fluent
Irish
Advanced

Work Experience

Social Media Manager at Dublin to Istanbul Charity Project
June 1, 2024 - June 1, 2025
Owned the social media strategy and execution for a year-long charity kayaking expedition; planned and published content across Instagram, TikTok, and Meta; created and edited short-form video documenting the journey; led community engagement through comments, DMs, reposts, and audience interaction; conducted media outreach to newspapers, radio stations, and online platforms; supported sponsorship outreach with tailored content and proposals; grew Instagram following by 20,000+ over 12 months; achieved national and international media coverage across print, radio, and online.
Bar Supervisor at SULT Galway
September 1, 2021 - June 1, 2022
Managed Instagram and Facebook content alongside supervisor duties; planned and promoted weekly events through posts and stories; created on-the-spot content to drive event awareness and footfall; wrote captions aligned with the bar's tone and brand; contributed to a 20% increase in social media engagement; improved visibility and attendance at in-person events.
Accounts Receivable Specialist at Diligent
November 1, 2023 - November 1, 2025
Managed the full accounts receivable cycle, ensuring accurate and timely invoicing, collections, and reconciliations, resulting in improved cash flow and reduced outstanding balances; assisted in implementing a new third-party billing portal software, which streamlined the billing process and increased efficiency; collaborated with different teams to resolve billing issues and customer inquiries.
Client Service Intern at Centralis
September 1, 2020 - August 1, 2021
Produced corporate and legal documentation for senior management and clients; prepared management reports and financial statements under Lux GAAP.

Education

Bachelor of Commerce (Global Experience), Specialised in Marketing Management at University of Galway
January 1, 2018 - January 1, 2022

Qualifications

Google Analytics Certified
January 11, 2030 - February 10, 2026
HubSpot Digital Marketing Certification
January 11, 2030 - February 10, 2026
HubSpot SEO Certification
January 11, 2030 - February 10, 2026
Introduction to UX & UI Design
January 11, 2030 - February 10, 2026

Industry Experience

Media & Entertainment, Non-Profit Organization, Software & Internet, Education, Professional Services