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Brisbane iGABA
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The Board

Who We Are

Hon Cameron Dick


Cameron Dick is the Queensland Treasurer and Minister for Trade and Investment, and has represented the state electorate of Woodridge in the Queensland Parliament since 2015.

Upon our invitation to Cameron Dick's ministerial office earlier

this year he has kindly accepted patronage of the

innovative German-Australian Business Alliance in 2022.

As Treasurer and a member of the Palaszczuk Government's leadership team, Cameron is responsible for driving economic growth and job creation across the state.

He wants to help local businesses reach their full potential and attract more interstate and overseas investment to Queensland.

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Hon Cameron Dick iGABA Patron
Tea Dietterich iGABA

Tea Dietterich


Government Affairs | Partnerships

Tea is Founder and CEO of the global language technology and language service company 2M Language Services which she runs from her Head Office in Brisbane and has been part of the chamber history for well over 20 years. Tea works with a client portfolio of Fortune 500 companies in health, resources, defence and the public sector.


A graduate of the Australian Institute of Company Directors, Tea has extensive board experience and sits currently on other following Boards: German Australian Chamber of Industry and CommerceAustralia France Business AssociationAustralasian Association of Language Companies (Chair) and NAATI Regional Advisory Council.


Tea transitioned traditional interpreting and translation services to include a fully digital experience leveraging the latest in AI, machine learning and natural language processing to offer a seamless end-to-end customer experience in any language across any channel. In the last 2 years, Tea has scaled the business to become Australia’s fastest growing language service provider and was featured in the Australian Financial Review.

tea (a)

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Wolfgang Kelke


Wolfgang Kelke, Master Pastry Chef, is known as the King of Cakes. His passion for culinary excellence has seen him work in some of the world’s finest restaurants and cake shops. With a wealth of technical expertise, he combines traditional artisan baking methods with family recipes. This unique blend results in the delicious traditional cakes, breads and pastries that come out of the King of Cakes ovens. Wolfgang is now looking to chase new adventures, stay tuned.

"Life is a journey, not a destination."

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Wolfgang Kelke iGABA
Leon Stephan iGABA

Leon Stephan


Leon is Managing Partner at Advivo Business Advisors and Accountants. His extensive financial experience as a senior banker and CEO / fund manager of mortgage funds provide an insightful opinion on debt structuring, funding needs and compliance. He has a wide range of experience in large corporates, previous accounting firms, financial services and funds management and a number of consulting and smaller businesses he has formed and operated.

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Joerg Rockstroh


Joerg Rockstroh is an experienced technology and business strategy leader. He has vast experience in working as a key conduit between customers, sales channels and large, cross-functional development teams of hardware, firmware, and software.

His experience covers in-depth liaison between development, testing/support and executive stakeholders to deliver complex often time-sensitive strategies and product outcomes for the global market.

treasurer (at)

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Joerg Rockstroh iGABA
Claudia Luettringhaus iGABA

Claudia Luettringhaus

Events | Networking

Claudia is Head of Consular Service at the German Honorary Consul Office in Brisbane. She has a Masters in Intercultural Business Communications, Social and Behavioural Sciences. Her passions are events and foreign languages (German, English, French, Latin, Mandarin), through which people are brought together with business networking and cultural exchange.

Claudia is part of key German business organisations in Brisbane (iGABA and GABWA). She supports, Queensland’s two German Immersion schools, Australia's largest German Festival Oktoberfest Brisbane, the German Film Festival, German Kino Brisbane, Ludwig Leichhardt Anniversaries and other multicultural initiatives. She oversees the organisation of Brisbane German Week, coordinates the German Language Roundtable, ​German Youth Choir, facilitates German social groups in Brisbane and founded Brisbane Karneval in 2011.

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Dr Ruth Schwarzenboeck


Ruth is passionate about connecting with businesses and connecting with people. Her background is in education, having worked in the language sector developing education programs and having looked into the development of disadvantaged young people (doctor's thesis).

Ruth has years of experience in senior business management and is now running her own eLearning business VMP e-Learning here in Australia.

Ruth has been running the German Youth Choir in Brisbane since 2019 with high school students from Brisbane schools that teach German.

With her engaging personality, Ruth makes the ideal membership rep for iGABA. Please don’t hesitate to contact her about any questions, queries, ideas or feedback you might have – she will happily get in touch with you to discuss any matter!

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Michaela John iGABA

Michaela John

Marketing | Communications

Michaela is an accomplished B2B marketing and communications specialist with 20 years of experience within multiple industries including ICT, construction, energy, manufacturing, agriculture, and professional services.


Michaela worked as Global Marketing & Communications Manager for a leading provider in geospatial solutions. She runs her own business MJ Marketing Communications, specialising in marketing consulting services for small to medium size businesses. Since 2018 Michaela has been the marketing manager for Siemens in Australia, where she is responsible for targeted strategies and methodologies to maximise product awareness, marketing efficiency, business profitability, corporate image and stakeholder participation.

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Prof Michael Rosemann

Advisory Board Member

Dr Michael Rosemann is the Honorary Consul of the Federal Republic of Germany in Southern Queensland since May 2016. He is a Professor for Information Systems and Director of the Centre for Future Enterprise at Queensland University of Technology. He is globally known for his research in the areas of innovation management, trust and process design.

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Michael Rosemann iGABA

Christine Reizner

Advisory Board Member

Christine is part of Ernst and Young‘s Government Incentives practice specialising in assisting companies navigate and access the local and international government funding landscape. She is responsible for supporting companies link and prioritise public and private investment capital with innovation and infrastructure projects from initial market entry through to the expansion of existing operations.


Her clients range from SME to Fortune 500 companies across a range of industries such as Defence Industry, Food & Agribusiness, Manufacturing and Clean Technology. She is part of EY Oceania’s Defence Industry team as well as the Europe West Outbound team.  

Christine has a background in International Relations and Politics. She started her career as an Economic Policy Adviser advocating for the funding of catalytic infrastructure and policy priorities at the Queensland and Federal government level.

She is passionate about investment attraction, investment facilitation and supporting companies expand their engagement with government and industry to drive improved social and economic outcomes. 

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Anisa Hobaya iGABA

Anisa Hobaya

Volunteer | Podcasting

Anisa is a Project and Engagement Officer at QUT Centre for Future Enterprise. She is an ambitious professional with vast experience in program management, engagements and co-ordination.


Thanks to her podcast training, Anisa makes a valuable asset to the iGABA Board. With her knowledge and experience she leads the editing and packaging of iGABA’s TreffPoint Podcast series.

Anisa was born in Kenia, speaks fluent German and now lives in Brisbane with her Australian husband. She thrives by meeting new people and exploring any new and unique opportunities as such she offers great support with our regular events.

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