Ruby Wang left her career as an Actuary and set off overseas looking for adventure, she came back with a business idea. Nudie Glow is bringing Korean Beauty to Australia. In episode Seven of GameChangers, Ruby gives us a glimpse behind the entrepreneurs mask.

Sick babies need specialised medical equipment sized to suit their bodies, but prematurely born babies require even more specialised technology. Wei Sue and Shing Sheung are co-founders of NAVi Medical Technologies, a start-up that's developing cutting-edge technologies and procedures designed to save the lives of newborns.

Every year, food waste costs Australians 20 billion dollars, with enough food to fill 9,000 Olympic swimming pools entering landfill.

Jane Kou is the founder of Bring Me Home, a startup that's tackling the global issue of food waste, by starting at the local level. Bring Me Home provides affordable access to food that would otherwise go to waste

Kristian Martinow is the Founder and Chief Timekeeper at watch company, The Timekeeper. He's also a mental health advocate and facilitator, with an inspiring personal philosophy, and a unique approach to life and business.

Bryony Cole is the world's leading authority on SexTech. She's a keynote speaker, and hosts the Future of Sex Podcast. We spoke with Bryony via Skype to find out about her work, splitting her time between Australia and New York, and just what it takes to make it on the cutting edge.

Laura Youngson is a world record holder and entrepreneur. She's played soccer at the top of Kilimanjaro, below sea-level, and she's lining things up for record number three. Through her work with Ida Sports, she's created a football boot specially engineered for the female foot.

Jason Ball is the founder of Pride Cup, an initiative that's grown into a national movement for LGBTI+ pride and inclusion across sporting codes. He's a Young Victorian of the Year, and is running for the hotly contested seat of Higgins in the upcoming Federal election.