Ricardo P. Victorio​

CEO and Managing Director

Ricardo Pendón Victorio

Mr Ricardo Pendón is the founding Managing Director of HAPA Medical. Ricardo has been a successful entrepreneur for over 15 years. He has built two companies in the health insurance and public & investor relations sector and has achieved successful exits of these businesses. He has bootstrapped the company since inception and has built a team of individuals and a network of relationships positioning HAPA to take advantage of the medicinal cannabis sector in Europe. Mr Pendón resides in Spain and Germany.
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Michael Sprenger

COO and Executive Director

Michael Sprenger

Michael Sprenger is a co-founder of HAPA Medical. Michael graduated from the Frankfurt School of Finance and Management, one of the top-5-business schools in Germany, with a Bachelor of Science in International Business. Michael started his career managing hedge funds up to 1.5 billion EUR in assets for institutional investors in absolute return and derivative strategies. Building smaller companies on the side he moved into the start-up industry in Berlin. He worked for the most successful venture builders in Germany (Rocket Internet, HitFox Group) hands-on in early stage start-ups bringing them to speed operationally. He has a strong finance and analytical background especially in the start-up environment. Mr Sprenger resides in Germany.
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Jan Renneberg

Manager of Industry Outreach

Jan Renneberg

Mr Renneberg has extensive knowledge in medicinal cannabis cultivation and extraction gathered through roles in Mexico, the USA and Spain. His role includes attending key conferences and trade shows and assisting in the identification of strategic partners in the medicinal cannabis sector. Mr Renneberg resides in Germany.
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Walter Krispin

Head of Organization Development

Walter Krispin

Walter Krispin is co-founder and managing director of HAPA medical. He has more than twenty years of experience in self-employment and as an entrepreneur. He has a special gift especially in the field of employee management and selection. As an entrepreneur in the field of lighting design and development for large companies he learned to manage large teams. He accompanied the HAPA project from the beginning as MD to ensure the administration of all companies and to support all enterprises. Due to his precision he will be involved in the construction of the clinic structures and will closely accompany the expansion of the new corporate structures.
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Dr. Klaus Häußermann​

Responsible Person
(wholesale & narcotics activities)

Dr. Klaus Häußermann​

Dr Häußermann is the designated “Responsible Person” for the company’s pharmaceutical wholesale and narcotics activities (verantwortliche Person für den Großhandel und BTM-Verantwortlicher in Personalunion) which is a key function for operating the company’s distribution business. He is a former member of the expert committee on narcotics of the German institute BfArM (equivalent of the USA Food & Drug Administration FDA). He has authored several books and studies on cannabis as medicine and provides access to key medical and scientific networks. Dr Häußermann resides in Germany.
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Marina Sternagel

Head of Finance

Marina Sternagel

Ms Sternagel is the Head of Finance of the company. She is a chartered accountant with expertise in international tax law and coordinates and controls all accounting and tax functions for the company. Ms Sternagel resides in Germany.
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Burcin Dereli

Senior Director Sales
Pharmaceuticals (EMEA)

Burcin Dereli

Burcin brings over 25 years of hands-on experience in sales, 15 of which he dedicated only into the pharmaceutical market with Mylan, Boehringer Ingelheim and Pfizer. Burcin brings not only his numerous contracts to pharmaceutical and medical businesses but also a lot of expertise in leadership, business development and new money, relationship management as well as key account acquisition. Burcin has excellent know-how about the German and European market of pharmacies and pharmaceutical wholesalers.
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Andreas Renner

Head of Strategic Corporate Management

Andreas Renner

35 years in pharma with focus on sales. As sales director at Bayer he was responsible for 400mn EUR revenues. His visionary marketing thinking and his vast network in the German pharma landscape are valuable assets to HAPA.

Tobias Loder

Head of Pharmacy Business Development

Tobias Loder

Tobias Loder has been an independent pharmacist since 2000 and owns 2 pharmacies with a total of 60 employees. - Tobias specialises in medical cannabis and cares for demanding patient groups (parenteral nutrition, nursing homes, etc.) and maintains contacts with many doctors and patients (caring for patients with BfArM exemption with med. cannabis since 2014). Tobias is also a founding member of ACM (Arbeitsgemeinschaft Cannabis als Medizin). Tobias is a consultant for international companies regarding drugs in Germany and was a speaker for HAPA at the ICBC 2018 in Berlin.

Astrid Hahner

Medical and Science Communications Manager

Astrid Hahner

Astrid Hahner holds a 5-year University degree in Biology with focus on Neuroscience; she did part of her studies at UT Austin (USA). Ms Hahner worked in renouned research centers where she contributed to 4 peer-reviewed studies (published in Brain, Int J Neuropsychopharmacol., J Immunol., J Biol Chem), before she switched to Pharmaceutical Marketing in 2007. Later, she coordinated the European Federation of Immunological Societies. Over time, her interest in holistic health concepts grew, and today she is a strong advocate for the integration and progression of naturopathic/ phytotherapeutic tools in modern healthcare.
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Markus Bottenberg

Projectmanager

Markus Bottenberg

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Dimitar Miladinov

Senior Product Development and Management

Dimitar Miladinov

Dimitar Miladinov is a co-founder of HAPA medical and in charge of product and pharmaceutical supplier management. He is a studied tech-engineer and gathered a lot of experience in product development in the past years. He worked as a serial-entrepreneur and managing director in several companies in the field of textiles, tourism and real estate. In two financial banks Dimitar was engaged additionally as member and VP of the executive council and advisory boards. Dimitar resides in Macedonia.
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Ioannis Bairaktaridis

Vice President HAPA Cultivation

Ioannis Bairaktaridis

Ioannis is Vice President of the HAPA Cultivation A.E. in Thessaloniki, Greece. He has over 20 years of experience in founding and growing companies in the sector of real estate, energy and retail franchises. In the past years he built and developed the Rew Hellas Solar Power in Greece with 12 branches and over 120 employees. He is responsible for the cultivation part of HAPA as well as processing into cannabis extracts. Ioannis supports all Greek sales activities as well as the roll-out of cannabis clinics in Greece.
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