Sacha Koster
Tauranga,New Zealand
Summary
Accomplished marketing and communications leader with over 15 years’ experience spanning corporate, commercial, and not-for-profit sectors across New Zealand, the UK, and the US. Renowned for developing and leading high-performing teams, crafting brand strategies that deliver measurable growth, and driving authentic communication that connects people and purpose. A grounded and strategic thinker who balances creativity with commercial insight, operational excellence with empathy, and big-picture strategy with practical delivery.
Overview
17
17
years of professional experience
Work History
Marketing & Communications Manager
Trevelyan’s
01.2022 - Current
- Company Overview: Trevelyan’s is New Zealand’s largest single-site kiwifruit and avocado post-harvest operation, serving growers nationwide.
- Built and led a high-performing in-house marketing and communications function, previously outsourced for over a decade.
- Reinvigorated Trevelyan’s employer brand, achieving significant seasonal recruitment success through compelling campaigns and improved internal communication frameworks.
- Introduced a new SharePoint system transforming how business information is shared and managed—improving collaboration, efficiency, and compliance.
- Partnered with senior leadership to align communications and marketing strategies with business objectives, strengthening brand consistency and cultural connection.
- Championed staff engagement initiatives and storytelling that reinforced Trevelyan’s values and brand narrative across all channels.
- Key Achievements:
Head of Marketing
PMG Funds
01.2018 - 01.2022
- Company Overview: PMG is one of New Zealand’s leading commercial property funds managers.
- Delivered the company’s most successful capital raises, including PMG’s largest and fastest-ever fully subscribed fund in 2021.
- Strengthened PMG’s national brand through integrated digital and print campaigns, market research, and strategic partnerships.
- Created a new website and digital ecosystem that increased monthly visits twelvefold, combining SEO, high-quality content, and improved UX.
- Consistently achieved an average of 20% under-budget through disciplined planning, negotiation, and vendor management.
- Played a pivotal role in securing multiple national awards, including FMANZ Award (2020) and Westpac Service Excellence Award (2020).
- Served as senior advisor to the CEO and Board on brand strategy, stakeholder engagement, and investor communications.
- Key Achievements:
SEO Copywriter (Independent Contractor)
01.2017 - 01.2018
- Delivered high-quality SEO content for multiple clients, boosting organic performance by an average of 35% through keyword and competitor analysis.
Event Manager
Sefton Education Business Partnership
01.2014 - 01.2016
- Directed large-scale education initiatives, stakeholder partnerships, and student career engagement programmes across the Liverpool region.
Marketing Business Development Officer
Sefton Council
01.2012 - 01.2013
- Led brand repositioning projects, annual marketing campaigns, and revenue optimisation initiatives across multiple public departments.
Marketing & Social Media Manager
PsiBands
01.2009 - 01.2012
- Built brand awareness through influencer partnerships, social content, and retail collaboration with major US distributors.
Education
Associate Degree - Real Estate
MPC
Skills
- Strategic Marketing & Brand Leadership – Planning, positioning, and executing integrated marketing strategies across multi-channel platforms
- Communications & Stakeholder Engagement – Expert in internal, external, and media relations with strong storytelling and reputation management
- Digital & Content Strategy – SEO, content marketing, email marketing, and CRM to drive engagement and growth
- Data & Market Insight – Skilled in market research, analytics, and performance measurement to inform decision-making
- Project & Budget Management – Proven ability to deliver complex campaigns on time and within budget
- Team Leadership & Development – Experienced mentor fostering collaboration, capability growth, and high-performing teams
- Adaptability & Problem Solving – Resilient and solutions-focused, thriving under pressure and change
- Creative Communication & Brand Storytelling – Exceptional writing, content creation, and campaign innovation across media
Affiliations
- Member, NZ Marketing Association
- Past Board Trustee, PMG Charitable Trust
Timeline
Marketing & Communications Manager
Trevelyan’s
01.2022 - Current
Head of Marketing
PMG Funds
01.2018 - 01.2022
SEO Copywriter (Independent Contractor)
01.2017 - 01.2018
Event Manager
Sefton Education Business Partnership
01.2014 - 01.2016
Marketing Business Development Officer
Sefton Council
01.2012 - 01.2013
Marketing & Social Media Manager
PsiBands
01.2009 - 01.2012
Associate Degree - Real Estate
MPC