Meet Our Team - Harker Herbals

Our People

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.

Favourite Product?

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

A passionate marketer and proud mum of two, Sahra loves boating, travelling with family bringing creativity and enthusiasm to all she does.

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.

Favourite Product?

Sleep Well - it works incredibly well and helps me fall back asleep when I wake at 4am.

Ross enjoys spending time with his wife and children 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.

Favourite Product?

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

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.

Favourite Product?

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

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 Herbal formulations. Creator of our Be Well Syrups and GutBiome, Paul is an expert at developing trusted plant-based formulations for health and wellbeing.

Favourite Product?

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

Outside of work, Tanya is an avid 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.

Favourite Product?

Bruise & Muscle Rub – perfect for soothing and restoring tired muscles after a big ride or hike.

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

Johno Signal

HEAD OF OPERATIONS

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

Favourite Product?

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

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

Favourite Product?

Elderberry + Vitamin C + Zinc is the best Greek yoghurt topping! An easy and tasty way to maintain immune health daily.

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.

Favourite Product?

Echinacea + Vitamin C + Zinc: it puts a zing in my step.

Mum of two girls who loves a good coffee, Renee enjoys fishing and beach adventures with her family, then winding down with a good book.

Renee Allen

KEY ACCOUNT MANAGER

Builds strong partnerships with major retail and pharmacy customers, developing tailored business plans to grow sales, visibility and loyalty for the Harker Herbals brand.

Favourite Product?

Vitamin C – super delicious and easy for my whole family to take every day.

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, order management and all the behind-the-scenes magic for events. She works closely with our sales team to keep operations running smoothly.

Favourite Product?

Elderberry + Vitamin C + Zinc – a great all-rounder that helps keep my family well year-round, and perfect for making special drinks and gummy bears!

Charlotte loves time hanging out with her family of four, including sports, music, camping, walks and relaxing at the beach.

Charlotte Andrews

DEMAND PLANNER

Charlotte manages sales forecasting, packaging, and cross-team coordination to keep Harker Herbal products moving smoothly from plan to shelf.

Favourite Product?

Elderberry + Vitamin C + Zinc - I love the taste and that I can dose the whole family with it in one go.

Terese is a passionate foodie and acro yogi, who loves beach walks, hiking, pottery and overseas adventures. Clinical Nutritionist and Aromatherapist with a love for natural wellness.

Terese Boyes

SENIOR BRAND MANAGER

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

Favourite Product?

Brain Function & Focus – my go-to for clarity, focus and mood from our Daily Dose range.

Enjoys coastal walks, ocean swims, Pilates, skiing and quality time with loved ones and never says no to a good movie.

Kim Worthington

NZ SALES MANAGER

Kim leads and supports the NZ sales team to achieve the best results, works closely with marketing to align strategies to reach annual targets for Harker’s and its customers.

Favourite Product?

Ear, Nose & Throat Tonic – my first Harker Herbals product 25 years ago and it never fails me.

Rachael recharges with family, weekend sports and travel adventures. A loyal Crusaders fan who also finds calm through daily meditation and mindfulness.

Rachael Sampson

TERRITORY MANAGER

Bringing energy and balance to every day, Rachael supports health stores and pharmacies across the Lower South Island, building strong relationships and promoting Harker Herbals trusted range.

Favourite Product?

Vira Guard – my go-to at the first sign of a bug. It’s the one product I’ll never be without.

Loves reading, gardening and spending time with family, Margie is proud to call windy Wellington home.

Margie McNeil

TERRITORY MANAGER

Supports health stores and pharmacies across the lower North and upper South Island with sales, product training, and Harker brand promotion. Over 30 years in natural health.

Favourite Product?

Ear, Nose & Throat Tonic – my go-to at the first sign of a tickly throat or sniffle. It’s an effective, multifunctional tonic that always works fast.

Emma passions include tending to her tropical gardens, cooking nutritious meals and practicing yoga. She holds a National Certificate in Complementary Therapies and loves learning about Ayurvedic and herbal medicine.

Emma Percy

TERRITORY MANAGER

Manages and supports Central North Island pharmacies and health stores, providing regular visits and product training to help teams deliver the best customer experience.

Favourite Product?

GutBiome Balance, Intestinal Cleanse & Immune + Energy – I couldn't pick just one! I’m passionate about supporting a healthy microbiome and strong immunity for long-term vitality.

Alana enjoys beach walks with family and Luna the dog, plus gardening, painting and pottery, anything creative brings her joy. Alana is a passionate Homeopath with a love for natural wellness.

Alana May

STORE MANAGER

Oversees the Waipu store and team, helping customers in person and online. Loves connecting with locals and hearing stories about Malcolm Harker from his sister and friends.

Favourite Product?

Immune Tonic – my winter essential for staying well while surrounded by seasonal bugs.

Life outside work is all about balance for Holly - CrossFit and run club to recharge, reading and beach days with family to slow down.

Holly Parkes

ACCOUNTANT

Oversees financial operations including accounts, payroll, cash flow, and reporting. Supports the finance team, ensures data integrity, and assists with projects and system improvements.

Favourite Product?

Skin, Hair & Nails! I love it because it makes my skin noticeably softer and gives me a healthy glow.

Wellness Reads

Explore All Reads

Botanical support for peri & menopause
Berberine: A Botanical Ally for Healthy Blood Sugar and Metabolism
Sharper focus, clearer thinking - natural support for mental performance
Gut Health

Why your liver holds the key to detox, digestion and everyday energy
Recipes

Kid's Gut Gummy recipe by Buffy Ellen
Stress and skin multitasking support – a unique combination you won’t find in most other products.
Celtic salt, Himalayan salt or Table salt: What’s best for your health?
Hydrated skin, strong nails, healthy hair – the science inside Daily Dose
Why we chose plant-based capsules for our daily dose range
Introducing Daily Dose: Seven ways to support your health naturally, every day