Graeme Robb
General Manager / Owner
Graeme and Rowena purchased SIGMA Publications in August 2020 after having managed the warehouse and dispatch operations since 2015. Graeme manages the overall SIGMA operation including day to day business management, book editing / printing and marketing and wants to grow the business while maintaining affordability and the integrity of the books on behalf of the authors.
Rowena Robb
Owner
Rowena and Graeme purchased SIGMA Publications in August 2020 after having managed the warehouse and dispatch operations since 2015. Rowena is now our dispatch manager making sure that all orders leave our warehouse on time and are packed to the highest standard.
Vanessa Crawford
Assistant Manager
Vanessa joined Sigma in 2005 as a book text layout specialist. She manages all layout work and oversees any book revision and update requirements alongside our editors prior to books being printed. Vanessa is the person you will most likely talk to if you phone Sigma and is your first point of call with enquiries. You can also talk to Vanessa at English and Maths teachers conferences which she regularly attends representing the company.
Olive Patrick
Marketing
Olive is contracted to us through her business ‘Milkshake’. She takes care of all things social media! You’ll see her work across our Facebook and newsletters. Make sure to sign up to our database so you don’t miss out.