Meet the Team

MEET THE TEAM

Meet the passionate people behind Harker Herbals. A close-knit team dedicated to crafting natural remedies that nurture wellbeing, every day.

Our People

John Gibson
John recharges on the Hauraki Gulf, embracing all things sailing, enjoying tennis, and spending quality time with family.

John Gibson

CEO

Drives Harker Herbals growth and expansion, shaping strategy, leading teams, and delivering innovation across products, markets and operations.

Favorite Product?

Deep Lung Support Tonic — a trusted go-to for maintaining clear breathing and everyday wellbeing

Charlotte Steward
Happiest outdoors, Charlotte loves adventuring with her family and exploring new places whenever she can.

Charlotte Steward

VP OF GROWTH

Drives Harker Herbals' expansion in the U.S., connecting more people with the brand’s trusted herbal remedies through eCommerce, retail and partnerships.

Favorite Product?

Immune + Wellbeing, it’s a family favorite in our house and the children’s version helps keep my little ones feeling strong and well.

Ross Mosley
Ross enjoys spending time with his wife and children and doing outdoor activities such as walking and mountain biking.

Ross Mosley

CFO

Responsible for the financial reporting and compliance; management information and administration of Harker Herbals. Working with the CEO and all departments of the organisation to provide business metrics and insights.

Favorite Product?

Immune + Energy - because it works so well. When I can feel my immune system under pressure, or others around me are unwell, I take it to support my immunity and ward off bugs.

Sahra Cliffe
Sahra loves boating, going on picnics, and traveling with her family. A mom to two teenage girls who enjoys hanging out with the family and going on adventures.

Sahra Cliffe

CMO

Leads marketing strategy and brand growth, blending creative vision with a deep passion for natural health to inspire and connect people to Harker Herbals.

Favorite Product?

Deep Lung Support - it works incredibly well and helps me breath more easily if I get sick.

Paul Mitchell
Paul loves mountain biking, and time spent immersed in nature. He enjoys organic gardening as an avid vegetable and fruit grower and mountain biking.

Paul Mitchell

HERBALIST

Paul applies deep herbal expertise to craft trusted Harker formulations. Creator of our Be Well Syrups and GutBiome, Paul is an expert at developing trusted plant-based formulations for health and wellbeing.

Favorite Product?

GutBiome Balance - a daily essential for supporting a healthy microbiome and overall digestive wellbeing.

Cassie Wells
When she's not supporting customers with care and efficiency, Cassie loves family beach adventures and baking at home.

Cassie Wells

E-COMMERCE AND SALES SUPPORT

The friendly face behind our online customer service and order management, Cassie also works closely with our sales team to keep operations running smoothly and all the behind-the-scenes magic for events.

Favorite Product

Immune + Wellbeing and Children's Immune + Wellbeing – these are both great support for year-round family wellness and perfect for making special drinks and gummy bears!

Julie Macdonald
Always up for a challenge Julie is passionate about the outdoors, all things biking, hiking, fishing, supporting her husband’s ultra runs and loving Nana life!

Julie Macdonald

REGULATORY MANAGER

Julie makes ensures Harker Herbals products meet global standards; part problem-solver, part explorer of the regulatory maze.

Favorite Product?

Immune + Wellbeing and Children's Immune + Wellbeing is the best Greek yoghurt topping! Easy and tasty way to maintain immune health daily.

Karen Myers
Karen is a positive soul who loves Pilates, wandering trails, rescuing dogs, and traveling while making meaningful memories with family.

Karen Myers

US WESTERN SALES MANAGER

Representing some of the best products on earth which include Harker Herbals and Wedderspoon. Showing up with heart and making it happen every single day.

Favorite Product?

Immune + Energy — the name says it all; it gives me that extra boost while keeping me healthy.

Terese Boyes
A passionate foodie and acro yogi who loves beach walks, hiking, pottery and travel. She's a Clinical Nutritionist and Aromatherapist with a love for natural wellness.

Terese Boyes

SENIOR BRAND MANAGER

Leads brand strategy, product development and NPD initiatives, managing launches, marketing campaigns, and digital channels to drive growth and engagement.

Favorite Product

Immune + Energy - my daily support for energy and vitality, it's an incredible blend with Reishi, Ginseng & Ashwagandha

Tanya Stewart
Outside of work, Tanya is a keen cyclist and outdoor enthusiast who loves exploring NZ’s forests, hiking trails and ocean swims.

Tanya Stewart

QUALITY ASSURANCE MANAGER

Ensures Midwest Pharmaceuticals maintains GMP and NP3 compliance, supporting production to deliver the highest quality Harker Herbals products.

Favorite Product?

Sinus Ease - this is a great product to keep handy in winter when the bugs strike!

Angeleine McGahey
When not behind the wheel of her Bullitt Mustang, you’ll find Angeleine on Lake Taupō fishing or enjoying the water with her husband and daughter.

Angeleine McGahey

PLANNING & PROCUREMENT MANAGER

Planning & Procurement Manager based at our Hastings facility, ensuring production planning and procurement align with Harker’s growing market demand.

Favorite Product?

Deep Lung Support Tonic: it puts a zing in my step.

Johno Signal
Outside of work, Johno enjoys spending time with family and exploring Hawke's Bay beautiful bush walks and pristine beaches.

Johno Signal

HEAD OF OPERATIONS

Oversees all manufacturing and operations at Harker Herbals, driving efficiency, safety, and quality across production, projects, and process improvements.

Favorite Product

Deep Lung Support Tonic: It's powerful and effective, it reflects the care and craftsmanship behind every Harker product.

Wellness Reads

Explore All Reads

  • Immune Health

    Teen Winter Wellness Supporting Immune Systems, Energy & Wellbeing
  • The Best Herbal Remedies for Children: Safe, Effective, and Tasty Solutions by Harker Herbals
  • Why Liquid Herbal Remedies Work Faster
  • How Harker Herbals Chooses the Ingredients for Your Wellness

  • In Conversation

    From New Zealand to Your Home: Why Harker Herbals Is Expanding Into the USA

  • Childrens Health

    Herbal Cold and Flu Remedies Every Family Should Know About
  • Homemade Immune-Boosting Gummies: A Fun Recipe for Parents & Kids
  • What Your Cold Might Be Telling You (That You’re Not Listening To)
  • The Post-Flu Fatigue Fix: How to Feel Like Yourself Again
  • Herbal Tonics & Nourishing Broths: Cold Season Recipes You’ll Love
Explore All Reads