On this week's Primer, we talk to Will Barker from Mint Innovation, a biotech startup recovering valuable metals from electronic waste.

On this week's Primer, we talk to Offcut founder Adrien Taylor who's company takes fabric scraps destined for landfill and turns them into hats instead.

On this week's Primer, we talk to Erin Harrison, founder of The Freelance Village.

On this week's Primer, we talk to James Koo, co-founder of student discount and job listings app Niesh.

On this week's Primer, we talk to brand strategist James Hurman whose latest venture, Storytech, wants to help small businesses work out their elevator pitch in a single day.

On this week's Primer, we talk to the founders of luxury pre-bottled cocktail company J.M.R. Cocktail & Co.

On this week's Primer, we talk to Solvej (sool-vay) Swings co-founder Jenny Etherington whose business makes sustainable and long-lasting swings for babies and toddlers. 

On this week's Primer, we talk to Georgia Meek, founder of The Babysitters Club, an online agency connecting families with babysitters.

On this week's Primer, we talk to the co-founder of vegan, low calorie, halal certified ice cream brand WāHiki Creamery which has recently signed a deal to enter the Chinese market. 

On this week's Primer, we talk to Jo McColl about Unity Books Auckland's new offshoot just down the road: children's bookshop little Unity. 

On this week's Primer, we talk to Sean Aickin whose Wellington photo store Splendid is hoping to revive film photography in today's digital world. 

On this week's Primer, we talk to James Fuller whose tech platform, Hnry, takes the admin out of being self-employed.

On this week's Primer, we talk to Alexandra Bell, co-founder of smoothie bowl business Soul Boul.

On this week's Primer, we talk to the founder of clothing company Flo which donates a free school lunch to a child in need for every product sold. 

On this week's Primer, we talk Jo Blair from Brown Bread – a marketing and communications agency from Christchurch that focuses on championing the arts, philanthropy and social good. 

On this week's Primer, we talk to Human Interface Jewellery founder Amelia Diggle who's melding fashion and technology together to create a new form of ‘wearable tech’.

On this week's Primer, we talk to Aaron and Jo Taylor, founders of wellness drink No Ugly.

On this week's Primer, we talk to Adrian Wills, the man behind a technology that manages every aspect of the beer’s lifecycle and flow from keg to customer. 

On this week's Primer, we talk to Nick Leckie, co-founder of rainwear company Okewa which is raising money for its newest product line – raincoats made from recycled plastic bottles.

On this week's Primer, we talk to co-founder of The Pure Food Co, Sam Bridgewater, whose business makes nutritionally dense and visually appealing food for people who have a hard time eating.