Mitarbeiterinnen UND Mitarbeiter

Staff

Our staff have lived, worked and studied in a variety of different countries and speak a number of languages. No matter what industry they have worked in, Gisma’s staff all bring something unique to the organisation.

  • Academic
Arvind Sinha

Arvind Sinha

Arvind Sinha is an Electrical Engineer who has been working in Germany for a decade. He transitioned to the field of Advanced Computing and then to management, obtaining MBAs in Marketing Management and Finance and Strategy. Arvind has contributed to business development, client negotiation, and revenue in multinational corporations for many decades, and is a certified Project Management Professional, Six-Sigma Black Belt, and information security expert. He is passionate about bridging the gap between industry and academia and holds a post-graduation diploma in Finance from the University of Oxford. He lectures at several institutions including GISMA and teaches specialised subjects like Digital Security and Business Negotiations and Tactics. Arvind has expertise in manufacturing, telecom, and finance, and specialises in transactional encryption in Information Security. He has held senior positions at multinationals like Hughes Network Systems, General Electric, IBM, and Wipro, and currently works at Atos in Hamburg. Arvind founded Bihar Fraternity, an NGO that helps educate underprivileged children in India, and is also a professional photographer who has travelled to over 43 countries. In his free time, he reads and writes poetry.
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Claudia Wittman

Claudia Wittman

Claudia Wittman teaches Corporate Reporting and Academic Writing. After studying in Mannheim and Kiel in Germany, Iceland and California, she obtained a master’s degree in the US and has taught in Germany, Japan, the US, Mexico, and New Zealand. Previously, she worked as a Lecturer at the Berlin School of Economics and Law (Hochschule für Wirtschaft und Recht) and her academic focus lies in Business Administration and Finance. Her professional work has seen her spend time in Iceland, Germany, Central America and the USA.
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Deepak Trivedi

Deepak Trivedi

Deepak Trivedi is a global executive in the sports industry and has held international responsibilities at high-profile events including Grand Slam tennis tournaments. He consults on important event aspects such as the fan experience, international marketing, volunteer engagement and diversity and inclusion. He has held leadership positions at both the London 2012 and Rio 2016 Olympic games and currently holds a senior leadership position for the upcoming Olympics in Tokyo. Deepak prides himself on the power of connection in relationships through influence and communication. Courses: Leadership and Management Development (MSc Leadership and Human Resources) and Performance Management and Reward (MSc Strategic Business Management).Deepak Trivedi is a global executive in the sports industry and has held international responsibilities at high-profile events including Grand Slam tennis tournaments. He consults on important event aspects such as the fan experience, international marketing, volunteer engagement and diversity and inclusion. He has held leadership positions at both the London 2012 and Rio 2016 Olympic games and currently holds a senior leadership position for the upcoming Olympics in Tokyo. Deepak prides himself on the power of connection in relationships through influence and communication. Courses: Leadership and Management Development (MSc Leadership and Human Resources) and Performance Management and Reward (MSc Strategic Business Management).
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Dr. Catalina Mueller

Dr. Catalina Mueller

Dr. Catalina Mueller is a visiting lecturer at GISMA Business School and a user interface designer at a startup in Berlin. At GISMA she teaches and facilitates Essentials of Management and Product Management whilst supporting students in writing their theses in the area of management, business or communication.  Dr. Mueller has more than 15 years of experience in designing online and face-to-face learning experiences, researching and teaching management related subjects in international settings. She started as a Junior Teaching Assistant at Bucharest University of Economic Studies, Romania, where she also got her PhD. in Economics. After her move to Germany, she collaborated with organisations from several European countries for courses on intercultural competences, human resources management and web-based training for trainers. She is enthusiastic about the whys of human behaviour, technology and their connection to learning and is always looking for opportunities to expand her views. As such, she invites you to reach out to her when you want to dive deeper into a challenging topic, talk about an experiment or just find out more about career switches and hackathons.
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Hardy Landmann

Hardy Landmann

Hardy Landmann is a seasoned expert in designing and conducting seminars. With a passion for providing alternative courses of action for better work and life management, he leads his team to deliver impactful learning experiences for their target group. After completing his dual banking degree in 2005, Hardy continued his studies in business administration and gained valuable experience working for major banks. He served in various roles, including assignments in branches and internal sales departments, and several years in a business customer department, before transitioning to management consulting. Since 2011, Hardy has been sharing his wealth of knowledge and experience as a lecturer for renowned universities and training academies. His teaching portfolio includes business management, financing, and human resources management. Additionally, he trains prospective bankers and provides job application coaching to support job changers.
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Klaus G. Kammermeier

Klaus G. Kammermeier

Klaus G. Kammermeier creates and conducts immersive, collaborative learning and innovation experiences in the form of workshops, learnshops, and online courses. He teaches international students, innovators, and business leaders in the areas of innovation, entrepreneurship, marketing, and leadership. He has extensive experience in technical-commercial leadership roles in global corporations, in consulting startups and globally recognised brands to achieve sustainable innovation leadership, and in education with Technical University Berlin and a number of competitive international business schools. Klaus studied Engineering, Economics, and Management at Munich University of Applied Sciences and completed executive education programs at Tuck School of Business at Dartmouth College, Hanover, New Hampshire and Columbia University Business School, New York City, USA. He created new formats of working together, one of which is NanoLabs®. He lived for 10 years in the UK and the United States and resides in Berlin, Germany now. 
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Mostafa Hussein

Mostafa Hussein is a Visiting Lecturer at Kingston University Business School with over 10 years of international experience in Global Financial Markets, Consulting and Advisory Services. He has taught a variety of modules in Finance, Banking, Accounting, and Business Administration at UG and PG level across different Business Schools in the UK and Germany. Mostafa’s teaching and research interests lie in the areas of Finance, Corporate Finance, M&A, Financial Analysis, Financial Reporting, Banking, Risk Management, Investment, Capital Markets, Data Analytics, FinTech, Business and Management. Outside of the University, Mostafa provides consulting and advisory services to a range of large, high-profile public, private and charitable organisations in the UK, Germany and abroad. He has worked with some of the top 25 global banks as well as some of the fast-growing international payment providers, boutiques and FinTechs, across different global markets such as EU, North America, MENA, Australia, China, Hong Kong and Singapore.
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Nicolò Augusto Manica

Nicolò Augusto Manica

After graduating in Management Engineering at Politecnico University in Milan, Nicolò Augusto Manica worked in the USA and China benefitting from a global advantage. He also obtained two master’s degrees in International Management at Esade Business school in Spain and International Business at Queen’s University in Canada. He began his entrepreneurial journey during university as a digital marketer and used the profit towards the payment for his master‘s degrees.   After university, he evolved into the E-commerce world where he excelled in success. The ability to generate numerous successes in digital marketing benefited him to become an influencer in the digital marketing industry with thousands of young European entrepreneurs following his guidance and motivation.
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Peter Jansen

Peter Jansen

Peter has vast experience as a non-executive director, general manager, and strategy consultant, having worked with firms such as KPMG and Boston Consulting Group. He became Vice President and General Manager of a media company after a decade of consulting. Additionally, Peter has started a few businesses in management consulting, advertising, and mobile marketing. Since 2012, Peter has been a lecturer at the London School of Business and Finance and an independent director of the board of SNG Romgaz SA. He focused on improving good corporate governance practices and sustainability at Romgaz SA, leading him to complete his doctoral thesis in Corporate Governance and board effectiveness in 2020 (cumulative GPA: 3.8 out of 4). He is currently a Principal Lecturer at the London School of Business and Finance and a visiting professor at EDHEC Business School (France), SKEMA Business School (France), and GISMA Business School in Berlin. Peter specialises in areas such as corporate governance, ethics, strategy, sustainable business development, marketing, and M&A. He has published academic papers and articles on board effectiveness and sustainable business development and is an active member of the Romanian chapter of the Association of Independent Directors (AAI) and Chapter Zero.
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