Our people.

We give support, we give clarity, we give hope,
we give attention, we give answers.

In 2022 we introduced a regular assessment of all our client’s satisfaction by asking whether they would recommend our team to others.
Our client partners tell us that they definitely would, and we are now determined to maintain our EXCELLENT Net Promoter Score.
If you select us you can rely on our team to strive to satisfy you too.

Meet some Marliners.

Karl Tischler Founder and Managing Director Marlin Communications

Karl Tischler

Founder & Idealist

Karl started Marlin with a mission; to use advertising and communications to impact the way that our society behaves. It was a very deliberate choice that he and Dan made to only work with charities and cause-driven organisations: organisations that served a truer and more worthy purpose.

Today, he often looks around and is truly humbled by those that have been similarly attracted by that choice.

Dan Geaves Strategy Director Marlin Communications

Dan Geaves

Creative Director

Undergraduate and postgraduate studies in psychology led Dan to develop a keen interest in the ‘why’ that drives behaviour. Motivated by a desire to do good in the world, Dan has helped lead a strategic revolution in Australian fundraising, championing the role of drivers and values in determining effective, cut-through communications for the not-for-profit sector, and introducing new methodologies for creativity and innovation. A contribution recognised through his nomination as a Fellow of the Fundraising Institute of Australia.
Jenni Whittaker - General Manager, Marlin Communications

Jenni Whittaker

General Manager

With over 30 years of experience, Jenni brings a values-driven, hands-on approach to leading creative teams and delivering impact. Throughout her career, she has worked with teams around the world to deliver complex, award-winning projects that make a real difference.

Jenni draws on deep experience across operations, finance, business development, client relationship strategy and people & culture strategy to identify gaps, unlock potential, and drive strategic growth.

Jenni joined Marlin as she was inspired by the passion and commitment of both Dan & Karl to help charities and not-for-profits do their best, most meaningful work.

In addition to her commercial results, she has a proven track record in naming, branding, way-finding, marketing and communications, packaging, retail & graphic design as well as website and digital solutions.

Jenni is motivated by purpose, proud to work in this sector, and always focused on delivering exceptional outcomes for the clients and causes we serve.

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Mel Hilsenbeck

Senior Digital Lead (Head of Digital)

Mel has spent the last five years helping nonprofits and foundations access the same level of digital expertise that large organisations enjoy. She works with charities of all sizes to design, scope, and deliver solutions that steward donors and attract new ones.

Her experience includes helping activate and deliver the Academy for Enterprising Girls, relaunching HIPPY Australia’s multilingual website, and collaborating with Infoxchange on the Digital Transformation Hub, which now supports thousands of nonprofits across Australia and Southeast Asia. She brings experience across projects spanning climate, health, education, economic empowerment and disability.

At Marlin, Mel helps nonprofit clients build pragmatic digital solutions that strengthen donor relationships and increase funding capacity. She combines strategic thinking with hands-on delivery, using analytics and user testing to inform decisions while developing multi-year roadmaps and scoping custom applications that deliver lasting impact.

Aimee Harpur Marlin Communications

Aimee Harpur

Art Director

Aimee is a versatile Art Director with extensive expertise in branding, campaign creation and art direction.

During her time at Marlin, Aimee has provided art direction that has helped to successfully drive results on numerous campaigns for organisations including Greenpeace, RULE Prostate Cancer and Ronald McDonald House, as well as leading the impactful rebrand of Ovarian Cancer Research Foundation.

Throughout her career, she has shaped successful rebrands for organisations such as SBS and designed campaigns for major companies including Dyson, Sydney Mardi Gras, Victoria Government and Optus.

Driven by a strong belief in the power of creativity as a force for good, she approaches each brief with conceptual depth and a commitment to delivering work that not only looks beautiful but also makes a genuine impact.

Jasmine Coronado Account Strategy Director Marlin Communications

Jasmine Coronado

Strategic Advisor

Jasmine uses her creativity and innovation to help others. She’s the co-founder of a grass-roots initiative in Sydney that offers support to homeless women, while in her role at Marlin she brims with efficiency, positivity and compassion.

Jasmine began her career working for a successful e-Commerce startup, before honing her Account Management skills at a multinational advertising agency.

Now she’s doing what she loves.

Sophie Auger - Marlin Communications

Sophie Auger

Account Director

As an Account Director with over eight years of experience, Sophie is a solution-oriented lead committed to delivering the best possible outcomes for her clients. Her career spans both sides of the communications landscape, having worked directly within charities as well as at top advertising and branding agencies in Montreal, Canada.

Having delivered branding work for major names across diverse industries, Sophie offers a unique perspective that bridges the gap between creative ambition and operational reality. This background allows her to truly put herself in her clients’ shoes, ensuring every initiative is both impactful and achievable.

For Sophie, the goal is always clear: navigating the unique challenges of the for-purpose space to help organisations thrive.

Adela Vukovic - Strategic Advisor, Marlin Communications

Adela Welsman

Strategic Advisor

Adela is a jack-of-all trades marketing strategist that brings a digital first and customer focused approach to how she envisions donor communications.

She’s passionate about providing audiences a holistic experience across digital and direct channels. Adela utilizes the principles of UX thinking and work in her approach to communications strategies.

She brings over ten years of experience delivering effective digital and direct communications—and, more importantly, creating meaningful audience engagement. She began her career at Médecins Sans Frontières Australia, where she spent five years working across fundraising and supporter engagement, before moving into the tech sector, where she led website development, digital marketing, and communications strategy across a range of platforms and teams.

Cassie Gates - Account Director, Marlin Communications

Cassie Gates

Account Director

Cassie is a purpose-driven brand strategist and client engagement professional with over 15 years’ experience in creative communications, marketing, and stakeholder engagement. Her career spans the nonprofit, government, and community sectors, where she has led strategic campaigns, built strong partnerships, and championed brand and message clarity for social impact.

Before joining Marlin, Cassie managed national membership and engagement initiatives at the Regional Australia Institute, and has held senior communications roles with LiveBetter Community Services and Forbes Shire Council. With a background in design and storytelling, she brings a thoughtful, collaborative, and creative approach to every project.

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Katy

Administration and Marketing Assistant

With over 20 years of experience, Katy is a highly organised and versatile professional with a strong background spanning administration, personal assistance, office management, virtual support, and project coordination across both public and private sectors internationally.

At Marlin Communications, Katy plays a key role in supporting the team with daily operations. She contributes across multiple areas including database management, marketing, website coordination and social media development, helping to ensure everything runs efficiently behind the scenes.

Katy is passionate about delivering an excellent client experience and takes pride in maintaining smooth operations across the team. Her proactive approach, attention to detail, and commitment to high standards make her an integral part of the Marlin team.

Rachel Monaghan Marlin Communications

Rachel Monaghan

Digital Campaign Specialist

Rachel is a Digital Campaign Specialist with 10+ years of experience using creativity, strategy and data to drive change for purpose-led brands.

She’s spent the past three years at Marlin Communications helping Australia’s leading not-for-profits grow awareness, acquire donors, and build lasting supporter engagement through smart, impactful digital campaigns.

With a background in digital advertising, email journeys, content creation, and conversion-focused A/B testing, Rachel brings both strategic insight and heart to every project she leads.

Jemma Hall Marlin Communications

Jemma Hall

Account Manager

Jemma is a resourceful and energetic Account Manager with a strong interest in branding strategy and a natural ability to build lasting professional relationships.

She has recently discovered a passion for the charity sector and is highly motivated to dedicate her career to driving meaningful social change. This commitment shines through in her dedication to ensuring Marlin delivers its best possible work.

With a genuine appetite for learning and a curiosity for best practice, Jemma brings exceptional people skills and strong project management capabilities—making her a perfect fit for our account service team.

Lauren Walsh - Marlin Communications

Lauren Walsh

Graphic Designer

Lauren is a curiously creative individual with a flair for branding, print, digital design, illustration and social media. Originally from London, she has worked with a range of companies across charities, not-for-profit, and purpose-led sectors in both the UK and Australia.

She is passionate about creating work with accessibility in mind. Believing that designing beyond the “average” leads to truly extraordinary outcomes.

Outside of Marlin, you will find her exploring new places, collecting inspiration for designs, and petting every dog that walks past.

Driven by designing for good, Lauren strives to create work that is not only visually striking, but also meaningful and memorable.

Jody Green Marlin Communications

Jody Green

Senior Designer

Jody has over 25 years of experience as a Graphic Designer.

Jody began designing magazines in the UK, before returning to Sydney and working at a publishing house. She has worked as an in-house designer, and also for the advertising agency George Patts Y&R.

For the past twenty years Jody has specialised in the not-for-profit sector, for clients including Variety the Children’s Charity, Vinnies, Life Education and Youngcare. Since joining Marlin in 2020, Jody has worked across projects for a range of organisations including Baker Institute, Aspect, Médecins Sans Frontières, Paralympics Australia and Mission Australia.

Outside of work, Jody has volunteered as a Wishgranter with Starlight, a Primary Ethics teacher, sat on numerous school & sporting committees, and headed up many successful fundraising events. She also runs an amateur performing arts group, and strongly believes in the power of community.

Martin Herko - Marlin Communications

Martin Herko

Integrations Lead

Martin brings over 7 years of experience working with not-for-profits, alongside 5 years in e-commerce. He specialises in end-to-end digital integrations, combining expertise across both backend and frontend systems to deliver seamless donation solutions.

From configuring backend settings to designing donation forms, managing data flows, integrating with CRMs, and optimising analytics and experiments, Martin has the technical breadth to ensure every component of a digital solution works together efficiently.

He is passionate about creating streamlined, user-focused systems that simplify complex processes, enhance productivity, and drive measurable outcomes for organisations. Martin is committed to leveraging technology in ways that help NFPs focus on their mission while delivering high-quality, scalable results.

John Rich - Marlin Communications

John Rich

Senior Developer

John brings over 10 years of experience building and optimising high-performing WordPress solutions for businesses and purpose-driven organisations.

He has delivered projects ranging from custom websites to complex WooCommerce implementations with a strong focus on performance, security, and maintainability. John takes a hands-on, problem-solving approach—whether it’s troubleshooting hosting environments, optimising speed, or resolving complex technical issues.

Passionate about meaningful digital work, John is committed to helping organisations strengthen their online presence and deliver impactful user experiences.

Rocket - Marlin Communications

Rocket

Head of Barketing

Rocket, brings over 5 years experience in marketing, brand awareness, audience engagement, and snack acquisition.

With a proven track record in high-impact tail-wag campaigns and community outreach at local parks, Rocket specialises in building authentic connections and driving loyalty across diverse audiences.

From overseeing projects to leading cross-functional collaborations between the kitchen and the couch, Rocket excels in campaign execution.

His expertise spans attention-grabbing entrances, persuasive eye contact, and strategic timing… particularly around lunchtime initiatives.

When he’s not helping the team, Rocket can be found conducting field research on walks, testing new products (sticks), or refining his bark-to-conversion ratio.

Marlin is a certified B Corporation.

We're proud to "meet the highest standards of verified social and environmental performance, public transparency, and legal accountability to balance profit and purpose."

Marlin Communications certified B Corporation
Marlin Communications Australia

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