MEET THE TEAM
CHRIS TIETJENS
Managing Director
Chris Tietjens is a seasoned Managing Director with 37 years of experience in the commercial cleaning industry. Holding a Bachelor of Arts Degree with a double major in History and Economics from Auckland University, he brings a unique perspective to his role. Starting as a cleaner while still in school in 1986, Chris quickly progressed and became the General Manager of a National cleaning provider in 2000. Joining KMG in 2012, he became a Shareholder and Director, eventually assuming the position of Managing Director in 2016. Chris enjoys watching sports like motor racing, rugby, golf and cricket and cherishes quality time with family and friends.
GARETH DE SILVA
Operations DIRECTOR
Gareth de Silva is an accomplished Operations Practitioner with an extensive background in the cleaning industry. With 30 years of experience including the ownership of a family business, Gareth possesses exceptional skills in window and general cleaning. Managing a dedicated team of staff and Divisional Managers, he ensures seamless operations at the Company. Gareth joined KMG in 2016 as a Divisional Manager and quickly advanced to the position of Operations Director in 2017. He enjoys playing golf and watching rugby and spending quality time with family and friends.
Russell Kirk
Division Manager
Russell Kirk joined KMG in 2015 with a wide range of qualifications and experience, spanning from Viticulture and Sports Turf Management to Landscaping and External Cleaning. In particular his extensive background in Facilities and Project Management has added great value to his role as Division Manager. Russell’s commitment to his clients, team and the Company was validated with the offer and addition of Directorship in 2021. Outside of work, he enjoys supporting his sons’ football endeavours, embracing family life and staying active with golf, cricket, squash and time at the beach.
Dion Hetherington
Account Manager
Dion Hetherington brings a depth of expertise to his role as an Account Manager. With 10 years in New Zealand Police Force and over 30 years in the cleaning industry, Dion’s expertise is unparalleled. He has held key positions as an Operations Manager in both family-owned and large cleaning businesses, as well as an Area Manager overseeing a $20M portfolio. Additionally with experience as a Herd Manager on a large dairy farm, Dion’s diverse skill set is highly valued. Initially Dion joined KMG in 2018 as a Division Manager and re-joined in 2021 as an Account Manager. His personal interests include rugby league, fishing and motor racing.
Dean Patena
Divisional Manager
Dean Patena is a skilled Division Manager with a background in various industries. Holding qualifications in NZCS (Paint Manufacturing) and Trade Cert Automotive Refinisher, Dean brings expertise to his role. With experience in paint manufacturing at Labtec as a Foreman for spray painting automotive and marine projects, Foreman for building relocation, Factory Manager at Corporate Signage and Sales Manager for Civil Works, Dean has demonstrated his versatility. As the owner of a carpark line-marking business and Manager of machine sweeping, he has a keen eye for detail. Joining the Company in 2019, Dean has made a significant impact. To relax, he indulges in his passion for American Muscle Cars and Hot Rods.
Milton de Silva
Account Manager
Milton de Silva is an experienced Account Manager with a rich background in the building industry. With 40 years of industry experience and 3 years as a construction manager, Milton brings extensive knowledge to his role. He joined the company in 2023, contributing his expertise in project & team management. Outside of work Milt indulges in his passion for art through painting, drawing and collecting artwork. He also has a keen interest in woodworking, design and architecture. Family is important to Milt and he cherishes time with his five children and four grandchildren. Additionally, he enjoys travelling the world, exploring new cultures and experiences.
Ryan Mason
Height Services Technical Manager
Ryan Mason is a skilled Rope Access Operator with a strong background in various disciplines. Holding qualifications such as IRATA L3, Confined Space, First Aid and Site Safe, Ryan brings a comprehensive skill set to his role. With experience in commercial window installation, glazing, rope access, building maintenance, confined space abseiling and water blasting, he has demonstrated expertise in diverse areas. Joining KMG in 2018, Ryan has excelled in managing and co-managing projects. Beyond work he enjoys pursuing his interests in gym and bodybuilding, snowboarding, attending Drum n Bass festivals and gaming.
Jean De Guzman
Finance Manager
Jean De Guzman is a dedicated finance professional with a varied background. Holding a Diploma in Business & Management (Accounting) and certifications as a bookkeeper and account technician, Jean brings a strong financial acumen to her role. Additionally, Jean has gained valuable experience as a Westpac Bank Teller and a Customer Service Representative for Energy & Gas Australia. With many years of experience at KMG, starting with responsibilities such as PA, administration and accounting, since joining in 2012, she has showcased her expertise. Outside of her work day, Jean excels as a housewife with a passion for cooking, baking, gardening and being a proud dog Mum.
Angie de Silva
Administration Manager
Angie de Silva is an accomplished Administration Manager with a diverse professional background. With extensive experience in Emergency Procedure Training, she brings a strong sense of safety and organisation to her role. Angie’s work experience spans various industries and roles, including banking, International Flight Attendant, hospitality, administration, customer service and entertainment. As the owner of a family business within the cleaning industry, she gained valuable entrepreneurial skills. Since joining KMG in 2016, Angie has excelled in managing her team of admin staff, supporting operations and overseeing HR and Health & Safety. She is an animal lover who worships family and expresses her artistic passion through painting, sketching and design.
Alecia Robertson
Administration Assistant
Alecia Robertson is a dedicated Administration Support professional known for her friendly demeanour and exceptional skills. With a background in retail, customer services, data entry, and call centre operations, Alecia brings valuable experience to her role. Joining the Company in 2019, she is the welcoming face of the organisation as the Receptionist, providing admin support and efficiently managing in-house travel arrangements. Her enthusiasm and commitment make her an invaluable asset to the team. Alecia enjoys indulging in her passion for the TV show Shortland Street, dog walking, reading and watching motor sport.
Donna Hetherington
Administration Assistant
Donna Hetherington is a skilled administrator with an assorted work background. With experience as an Account Executive supporting Account Managers in a sales role, a Print Operator at AUT/Unitec and a Customer Service Co-Ordinator at Hobsonville Marina, Donna has honed her skills in various industries. Her previous experience as a Bank Teller also contributes to her strong administrative abilities. Joining the Company in 2023 as an Administration Assistant, Donna is committed to providing efficient support. When not at work, she enjoys spending quality time with her family, both locally and internationally, walking her dogs, travelling and creating photo books filled with treasured memories.
