Contact us on 07 348 3599 or by email

Our Team

Glenn Hawkins

BMS(Hons), MMS, CA | Ngāti Whakaue, Ngāti Maniapoto

Before establishing this accounting and consulting practice in 2005, Glenn was Finance Manager, then General Manager, of the New Zealand Māori Arts & Crafts Institute (Te Puia). As a Chartered Accountant, he has a varied background that includes roles as management consultant with Ernst & Young and management accountant for a manufacturer and exporter. Glenn has extensive experience with Māori post-settlement governance entities (PSGEs), Māori incorporations, Māori land trusts, service providers, marae and non-profit organisations. Glenn is passionate about Māori business development and has helped numerous Māori commercial organisations in industries as diverse as tourism, agribusiness, fisheries, property, geothermal, forestry, education, health and aquaculture. He is also the Te Puni Kōkiri accredited business mentor for the Rotorua region. Glenn has governance roles with a range of client companies and Trusts and has been a fully qualified Chartered Accountant for 22 years.

Mere George

BMS, CA | Ngāti Whare, Ngāti Manawa, Tūwharetoa, Ngāti Porou

Mere became a qualified Chartered Accountant in 2005, while working at Deloitte as an auditor in Risk and Assurance from graduation until early 2009.  Mere has worked with commercial entities across a broad range of industries, including Māori businesses, public sector entities, telecommunications and insurance. In 2009, Mere returned home to Rotorua working with Hulton Patchell Ltd, before joining GHA in June 2012. Mere enjoys working closely with iwi groups, Māori trusts, marae and incorporations. Mere is a conscientious and honest professional committed and passionate about Māori business and Māori economic development.

Kirsten Rei

LLB, BA | Te Māhurehure, Ngāti Rangi, Ngāti Whakaue, Ngāpuhi

Kirsten has broad Māori and government sector experience, having led a number of high profile leadership roles for both.  Born and raised in Rotorua, Kirsten initially trained as a lawyer before heading in to management roles at home in Rotorua and Wellington.  Kirsten joined the GHA team in March 2018, bringing nearly twenty years’ experience in senior management, specialising in public policy and dealing at the interface between government, communities and the various sectors that comprise the wider ecosystem of Māori development. Kirsten is committed to supporting GHA’s clients to thrive.


Matiu Taurau
Senior Associate

BCOM, CA | Rangitāne, Ngāpuhi, Ngāi Tahu, Ngāti Kahungunu

Matiu joined the GHA team in November 2015 as a management consultant bringing with him a wealth of international and local experience in business. Matiu has been a Chartered Accountant since 2008, and most recently worked for listed company Comvita as their accountant. Previously, Matiu worked as an auditor with Audit New Zealand before heading to the UK where he worked with Fortune 500 company General Electric. Matiu’s knowledge and experience spans a number of industries and sectors including agriculture, manufacturing, healthcare, retail and Māori authorities. Matiu is pleased to be lending his considerable talent, skills and energy to helping our clients succeed.

Mereana Toroa
General Manager

BCOM, CA | Ngāi Tāmanuhiri

Born and raised in the Horowhenua, Taranaki, and Waikato, Mereana has now settled in Tauranga Moana to be close to whanau. Mereana started a BMS at Waikato University, then began travelling and completed her BCom at Macquarie University, Sydney and shortly thereafter started as an audit graduate at Ernst & Young Sydney. The desire for further travel adventures then took her to the United Kingdom, where a two-year plan turned into 12 years and a wealth of entertainment experience in movies, video on demand, TV, and video game operations, distribution, and finance. Mereana is delighted to return home to Aotearoa and find a unique firm in GHA where she can focus her talents to help grow the business and dedicate her time to Māori business success. Mereana is excited to be learning te reo again, to be leading the GHA team and contributing to operational excellence for GHA clients.

Kererua Savage
Consulting Manager

BBS, MBA | Ngāti Tūwharetoa ki Kawerau, Ngāti Awa, Ngāti Rangitihi, Te Whānau-ā-Apanui

Kererua joined the GHA team in May 2020 as a consulting manager bringing with him a wealth of experience in the government and banking sectors. Previously, Kererua worked in several government departments including Te Puni Kōkiri, Ministry of Business, Innovation and Employment, The Treasury and the Ministry of Justice holding roles ranging from Principal Analyst to Policy Manager.  His most recent role was with Westpac NZ as the Area Business Development Manager for Iwi / Māori for Te Puku o Te Ika ā Māui. Kererua’s knowledge and experience spans several industries and sectors including government, horticulture, geothermal, housing and banking. Kererua is proud to be working at GHA where he can provide his broad range of skills to assist Māori organisations reach their long-term vision.

Roimata Ah Sam
Accounting Manager

BCOM, CA| Ngāi Te Rangi, Waikato

Roimata returned to Tauranga Moana where she is currently based to enable her children to grow up in their mana whenua.  Roimata is a highly confident and driven accounting manager with a passion to grow Māori talent and see Māori investments become sustainable and intergenerational.  Being a kura kaupapa alumni Roimata inherently understands the importance of Māori taking charge of our own commercial destiny.  Roimata’s extensive commercial accounting experience has enabled her to simplify complex financial information to be user friendly to the non-financial eye. Roimata speaks and encourages Te Reo Māori across the office.

Brad Korewha
Accounting Manager

BBS, CA | Ngāpuhi

Born and raised in the Kaipara District of Te Tai Tokerau , Brad has been settled in Tauranga Moana with his family for the last decade after spending time living abroad and in Auckland. Brad joined the GHA team in September 2019 as an Assistant Accounting Manager bringing with him over 10 years of commercial accounting, management and leadership experience. Brad has been a Chartered Accountant since 2013, and most recently worked for large civil construction business Fulton Hogan as their Finance Manager in the Bay of Plenty Region. Brad is proud to be working at GHA in a kaupapa Māori environment, where he can lend his broad range of commercial talents to assisting Māori business success, whilst also staying connected with his Māoritanga.

Isabelle Yee
Accounting Assistant Manager


Isabelle joined the GHA team as an accountant in May 2017.  Isabelle is originally from China and moved to New Zealand in 2003.  She completed her Bachelor of Commerce and Administration in 2006 at Victoria University majoring in accounting. Before joining the GHA team, she worked as a tax accountant at several Chartered Accountant firms in Tauranga and Rotorua. Isabelle has worked with clients in various industries, ranging from small businesses to large farms. Isabelle understands the importance of maintaining a positive client relationship and is committed with helping GHA clients to succeed.

Sam Bell
Accounting Assistant Manager


Sam was born and raised in Rotorua and has worked with various clients across a range of industries with experience in both commercial and CA environments, including six years with GHA. With the support from GHA in her previous years, Sam was able to complete her degree, and post graduate requirements and is now a CA, who enjoys connecting and working with clients to help them achieve their objectives.  Sam is excited to be back at GHA and is looking forward to learning more about the cultural heritage of her home.

Hana Toroa

BMS, CA | Ngāi Tāmanuhiri

Born and raised in the Horowhenua, Taranaki, and Waikato, Hana is of Ngāi Tāmanuhiri descent.  Hana became a qualified Chartered Accountant whilst working at Deloitte and has over 10 years’ experience working with Māori entities.  Hana and her whānau are proud residents of Te Moutere of Matakana where her children are growing up on their mana whenua.  Hana’s commitment to Te Ao Māori saw her recently complete Te Tohu Paetahi in Tauranga to build her reo.

Matiria Temara

Matiria Temara

NZDipBus, BBA | Tūhoe, Ngāpuhi

Matiria is of Tūhoe and Ngāpuhi decent and a graduate of kōhanga reo and kura kaupapa Māori. In 2013, she graduated from the University of Waikato where she completed a Bachelor of Business Analysis majoring in Accounting.  Matiria sees her role at GHA as an opportunity to develop her skills and experience further in a professional Māori environment. GHA are pleased to be supporting Matiria on her pathway to becoming a Chartered Accountant. Matiria speaks and encourages Te Reo Māori across the office.

Staci Winiata

BBA| Ngāti Awa, Ngāti Patumoana, Whakatōhea

Stacey joined GHA in August 2015 after graduating from the University of Waikato in 2014 with a Bachelor in Business Analysis, majoring in Accounting.  Stacey is passionate about accounting and helping clients to reach their objectives.  Her quietly conscientious and hard-working nature is attested to by her supportive whānau and is evident in her work at GHA.  GHA are pleased to be supporting Stacey on her pathway to becoming a Chartered Accountant.

Rana Sorensen

BCOM | Te Whānau-ā-Apanui and Ngāi Tai

Rana was born in Rotorua and is of Te Whānau-ā-Apanui and Ngāi Tai descent. Rana graduated from Victoria University of Wellington in 2015 with a Bachelor of Commerce majoring in Accounting, Commercial Law and Taxation. Prior to joining GHA in July 2019, Rana worked as an accountant at Deloitte, followed by a CFO role at Credit Union Central. Rana is passionate about working with Iwi and Māori organisations to help them achieve their cultural and business objectives. GHA is supporting Rana on her pathway to becoming a Chartered Accountant.

Tamaku Pau’u

BMS | Tapuika, Ngāpuhi

Tamaku was born and raised in Te Puke and is of Te Arawa and Ngāpuhi decent. She graduated with a Bachelor of Management Studies degree from the University of Waikato majoring in Accounting. Prior to working with GHA she worked at other accounting firms and worked for her iwi. A passion to grow Maori business is what led to Tamaku to join GHA. GHA is supporting Tamaku on her pathway to becoming a Chartered Accountant.

Trish Tuisea

NZDipBus |  Ngāti Porou, Ngāti Hamoa

Originally from Wellington, Trish lived in Australia for five years and Gisborne for seven years prior to moving to Rotorua in 2018. With a strong background in administration and accounts, she was inspired to obtain her NZ Diploma in Business and Open Polytech Diploma in Accounting with the support of her workplace in Gisborne at the time. She later continued studying toward a Bachelor in Business majoring in Accounting, set for completion in late 2018. Trish believes working at GHA will not only deepen her knowledge of tikanga Maori and te reo, but also further motivate her to become a Chartered Accountant with CAANZ in the near future.

Te Ana Stephen

BCOM |  Ngāti Hine, Ngāpuhi

Born and raised in Wellington, Te Ana recently graduated from Victoria University with a Bachelor of Commerce, majoring in Accounting and Commercial Law. She is passionate about te ao Māori and being able to transmit that passion to her tamariki. It was her passion for Māori and learning te reo Māori that brought her to Rotorua and to GHA. Te Ana believes that immersing herself in a cultural hub like Rotorua will help further her te reo Māori journey and sees GHA as an opportunity to develop her accounting knowledge and skills in a professional Māori environment. She hopes to one day complete her chartered accountancy with the support of GHA, help to develop culturally responsive financial systems for Māori and use her skill and knowledge to give back to Māori.

Renee Winter

BBS | Ngāpuhi

Born and raised in Tāmaki Makaurau, the competitive fast-paced lifestyle has provided Renee with the tools and experience to get her to where she is today. Renee managed a young family whilst studying at Auckland University, and proudly graduated in 2016 with a Bachelor of Business majoring in Marketing and Accounting. Renee then enrolled into the Rumaki Reo program at Te Wānanga Takura o Ngā kura kaupapa Māori o Aotearoa to learn and gain a better understanding of te ao Māori. Renee then decided to move to Rotorua with her whānau to join the GHA Team. She is passionate about growth and development in our SME’s, and she wants to see Māori thrive in the world of Business.

Julia Fonotia
Accounts Administrator

Julia was born in Palmerston North and grew up in both Whanganui and Palmerston North.  Julia has worked in several accounts/administration roles which has given her an understanding of her role with GHA with a background in both Government and Charitable Trusts. Julia was drawn to GHA as not just another business, but one with a purpose of helping Māori succeed and enjoys the challenge of a fast-paced working environment at GHA. Julia moved to Rotorua three years ago with her husband and is a busy mum of four tamariki. Julia and her whānau enjoy learning about te ao Māori and is on her journey learning Te Reo.

Clare Jeffries
Accounts Payable Administrator

Having returned to Aotearoa 4 years ago after residing in Australia, Europe and Canada over the previous 10 years, Clare moved to Rotorua from Auckland in late 2018. Upon returning to Auckland Clare worked for The Reserve Bank of New Zealand as a trade settlements officer before changing roles and working at HSBC as a corporate actions officer, dealing with share announcements and dividends.  After moving to Rotorua Clare worked in the Rotorua Lakes Council finance team, specifically in Payroll,  AP and Procurement. Clare has several years’ experience across all accounts and administrative areas and holds a certificate in multimedia and is currently studying for a bachelor of science, majoring in psychology. Clare is looking forward to learning about the Māori language and te ao Māori, and contributing to the GHA whānau.

Kateriina Selwyn
Management Consultant

BMS | Ngāti Pikiao, Ngāpuhi, Tūhoe

Kateriina joined GHA in 2016 and holds a Bachelor of Management Studies (majoring in Marketing) from Te Whare Wānanga o Waikato. Alongside her role as a Management Consultant at GHA, Kateriina was contracted from GHA as the Māori Sector Manager for Chartered Accountants Australia and New Zealand, where she led the national strategy to increase the representation of Māori within the accounting profession. With a strong interest in Māori business and Māori governance, Kateriina’s aspiration is ultimately to contribute to Māori success. Kateriina is proud that her role at GHA allows her to work with whānau, hapū and iwi, providing valuable mahi and advice.

Taku-Anne Jones
Management Consultant

BCS | Te Arawa, Ngāti Tuwharetoa

Taku-Anne was born and raised in Hamilton and completed her Bachelor of Communication Studies through the University of Waikato. Taku-Anne recently joined GHA after spending several years in Australia working in marketing and leadership roles for multi-nationals and SMEs. Her experience developing go-to-market and digital marketing strategies has seen her progress her career through complex business landscapes; including manufacturing and software. Taku-Anne has relocated from Melbourne to strengthen her Reo and learn more about her Te Arawa and Ngāti Tuwharetoa whakapapa. She aims to grow the Māori economy through a commercial lens and hopes to lend her writing skills to simplifying financial information and provide insight into digital paradigms.

Nika Rikiriki
Management Consultant

BBUS| Tūhoe

Nika joined the GHA team in 2020 and brings over 10-years of experience in strategy and management across a broad range of industries, including education, media, marketing and the charities sector. Nika is passionate about empowering people and organisations to achieve meaningful outcomes and proud to be part of an organisation that openly embraces Te ao Māori and that is focused on Māori success.

Holly Wharewera
Management Consultant

Te Arawa, Ngāti Whakaue, Ngāti Kahungunu ki Wairarapa, Te Whānau-ā- Apanui, Ngāti Porou

Holly was born and raised in Ngongotahā and is of Te Arawa, Ngāti Whakaue, Ngāti Kahungunu ki Wairarapa, Te Whānau-ā- Apanui and Ngāti Porou decent. Holly joins the GHA whānau after spending the last few years working as Project coordinator at a large Māori Land Trust and Consultant at a Chartered Accounting Firm. Holly has a background in Project Management and Administration in the Māori business sector with Māori Land Trusts, General Trusts and Incorporations. Holly is driven to meet deliverables to a high standard and is proud to be working alongside her people, contributing to Māori Success. Holly speaks and encourages Te Reo Māori across the office.

Alana Hay
Project Co-ordinator

BA |Ngāti Rongomai

Alana was born and raised in Auckland. In 2018 she completed a Bachelor of Arts at the University of Auckland with a major in Māori Studies. Having grown up away from her iwi and hapū, Alana decided to move to Rotorua to learn more about her own history and culture. Alana is passionate about Māori language and culture, and was excited to start work at GHA which will help her to be even more immersed in te ao Māori. She hopes GHA will help to really advance her professional skills in a Māori environment.

Tina Leigh
Māori Business Response Administrator

Ngāti Ranginui, Te Atiawa

Tina was raised in Tauranga moana and returned there to raise her young family in 2016. Tina is a highly experienced Administrator with a demonstrated history of working in law practice, trades, hospitality and Māori organisations. Tina has the ability to innovate, look at an issue, examine it from all angles, and use critical thinking skills to arrive at the optimal solution. With intuitive communication skills she is able to interpret tone, body language, and many other factors that impact effective communication and collaboration. Tina stays actively engaged in professional development to keep on the edge of modern-day technologies and in pace with the rapidly evolving landscape of business requirements in New Zealand. 

Rikki-Lee Naea
Office Manager

DipHosp | Ngāpuhi

Rikki-Lee joined the GHA team in 2018. Rikki-Lee grew up in Queenstown and completed her International Diploma in Hospitality Management and Tourism before moving to Perth where she worked as an Executive Assistant at Chartered Accounting firm, KordaMentha. Rikki-Lee moved to Rotorua to be closer to her whānau and brings with her international experience.  She has an interest in the Māori Business Sector and continues to enhance her knowledge of tikanga and te reo Māori. 

Emily Johnstone
Personal Assistant to the Partners

Emily grew up in Rotorua before moving to Melbourne where she worked as a Personal Assistant for two of the big four international accounting firms. A desire to be closer to her family and watch her nephews grow up brought her home to New Zealand where she worked for another big four accounting firm locally. With over 15 years’ experience as a Personal Assistant, Emily brings extensive skills and international knowledge to the GHA whānau. She is passionate about helping others and giving back to the community wherever she can. Emily is looking forward to learning and understanding more about Māori culture and is excited to expand her knowledge of te reo at GHA.

Tiara Winsor Ngamata
Personal Assistant to the Accounting Managers

Te Arawa, Ngāti Tūwharetoa ki Kawerau, Ngāti Awa

Tiara was born and raised in Rotorua and is of Te Arawa, Ngāti Awa and Ngāti Tuwharetoa descent. She recently joined the team as a personal assistant to the accounting managers after spending several years in the Tourism Industry. Working in administration, customer services and reservations has prepared Tiara for her new journey here at GHA where she wants to focus on developing her skills in accounting. With the desire to advance her knowledge of Te Ao Māori, Tiara hopes to merge her cultural passion with her line of work in the future.

Nero Panapa
Share Registry Administrator

Tūhourangi, Ngāti Pikiahu Waewae, Ngāti Pūkeko, Ngāti Whātua

Born and raised in Rotorua hailing from the small village of Te Whakarewarewa.  Nero’s journey in tribal registers began in 2010 where he was asked to audit the state of the Te Pūmautanga o Te Arawa beneficiary register.  What started as a two-month contract quickly turned into a full-time position maintaining the beneficiary register for the post settlement entity.  In 2014 Nero moved to Deloitte Rotorua as the Share Registry Assistant focussing on shareholder grants, payments and successions.  Here he also became a cultural liaison for the other Deloitte offices in Auckland and Wellington where specialised skills were required for some of the total immersion clients.  Nero joined the team at GHA in February 2018 and is the Share Registry Administrator.  Nero realises that the key to success is to share knowledge and empower our people by making sound decisions based on a blend of traditional and contemporary mindset. Nero encourages Te Reo across the office and speaks fluently.

Jasmine Manley
Office Administrator

NZDipMāori | Ngāti Whakaue, Ngāti Takihiku, Maniapoto (Ngāti Matakore)

Born and raised in Rotorua, Jasmine is of Te Arawa, Raukawa and Maniapoto decent. She has a background in Administration with a passion for Māori development and Te Reo Rangatira. She is determined to complete her bachelor’s degree in the near future and give back to her iwi/hāpū. Jasmine looks forward to helping Māori enterprises and organisations succeed and develop in this front line role. Jasmine speaks and encourages Te Reo Māori across the office.

Jason Mika

Dr Jason Mika

BMS(Hons), MPP, PhD | Tūhoe, Ngāti Awa, Whakatōhea, Ngāti Kahungunu

Jason has been a consultant for GHA since the company was formed. Jason specialises in Māori enterprise development and Māori organisational development. Jason’s strengths are in developing strategies, plans and policies to help Māori enterprises and Māori organisations succeed. He was raised in Rotorua and has completed consultancy assignments for Māori organisations locally and across the motu. Jason is a senior lecturer in the School of Management, Massey University in Palmerston North and co-director of Te Au Rangahau, Māori Business & Leadership Research Centre. Jason provides consulting services as an independent management and associate of GHA.

Brigette Arnold

BA(Hons), PGDipGrad (Economics)

Brigette has worked in the financial industry for over 15 years, across markets in the UK, Europe, Asia, North America, Middle East and Australasia. Brigette firmly believes in strong, face-to-face communication to strengthen relationships and identify the present and future needs of investors. Brigette has worked for 10 years at UK-based MVision Private Equity Advisers, managing private equity fund-raisings for global clients and as the lead relationship manager for Asian, Australian and New Zealand institutional investors. Since 2011, she has filled senior roles at Fisher Funds and Knox Investment Partners and is a former council member of the New Zealand Venture Capital Association.