In 1997, Klaus joined the IAKS headquarters in Cologne as a scientific staff member and was appointed IAKS Managing Director in 2003. In 2015, Klaus became IAKS Secretary General.
Klaus holds a diploma in landscape architecture after having visited universities in Hanover (Germany) and Tours (France) from 1988 to 1995. From 1995 to 1997, he was a technical officer at the German Association of Landscape Architects in Bonn and Berlin.
Besides his general tasks for IAKS, Klaus is responsible for the programming of the biannual IAKS Congresses as well as for the IOC IPC IAKS Architecture Prizes.
Klaus Meinel
Secretary General
In 1997, Klaus joined the IAKS headquarters in Cologne as a scientific staff member and was appointed IAKS Managing Director in 2003. In 2015, Klaus became IAKS Secretary General.
Klaus holds a diploma in landscape architecture after having visited universities in Hanover (Germany) and Tours (France) from 1988 to 1995. From 1995 to 1997, he was a technical officer at the German Association of Landscape Architects in Bonn and Berlin.
Besides his general tasks for IAKS, Klaus is responsible for the programming of the biannual IAKS Congresses as well as for the IOC IPC IAKS Architecture Prizes.
Silke joined IAKS in 2007 as executive assistant, after having started her professional career as management assistant in sales and HR departments.
Thanks to her multiple language skills, she has been responsible for IAKS membership services and for supporting the national or regional IAKS structures throughout the world. In 2015, Silke became responsible for the office’s operations and for the IAKS’s public relation activities. This includes online PR as well as editorial works for the “sb” magazine.
Silke’s tasks also include organizing international IAKS events like the IAKS Congress, international conferences and study trips.
Silke Bardenheuer
Public relations and event management
Silke joined IAKS in 2007 as executive assistant, after having started her professional career as management assistant in sales and HR departments.
Thanks to her multiple language skills, she has been responsible for IAKS membership services and for supporting the national or regional IAKS structures throughout the world. In 2015, Silke became responsible for the office’s operations and for the IAKS’s public relation activities. This includes online PR as well as editorial works for the “sb” magazine.
Silke’s tasks also include organizing international IAKS events like the IAKS Congress, international conferences and study trips.
Since February 2023, Victoria Page has been supporting our IAKS team in the office at the headquarters in Cologne, Germany. The accomplished photographer puts all articles in the trade journal "sb" into an appealing layout and is also responsible for all other graphic work.
In her free time, she practices aikido and is passionate about Japan and its culture. Victoria speaks seven languages!
Victoria Page
Graphic design
Since February 2023, Victoria Page has been supporting our IAKS team in the office at the headquarters in Cologne, Germany. The accomplished photographer puts all articles in the trade journal "sb" into an appealing layout and is also responsible for all other graphic work.
In her free time, she practices aikido and is passionate about Japan and its culture. Victoria speaks seven languages!
Office organization & administration, member support
Alexia Chrissanthopoulou
Office organization & administration, member support
Since June 2023 Alexia Chrissanthopoulou supports the IAKS team in Cologne Headquarter, in office organisation and member administration. Trained administrative assistant, she is responsible for secretarial and administrative tasks, as well as member support and project organisation. In addition, she takes care of the preparatory accounting.
In her free time, she loves to spend time with family and friends and is passionate about cooking and baking. She also speaks 3 languages and feels very connected to her second home, Greece.
Alexia Chrissanthopoulou
Office organization & administration, member support
Since June 2023 Alexia Chrissanthopoulou supports the IAKS team in Cologne Headquarter, in office organisation and member administration. Trained administrative assistant, she is responsible for secretarial and administrative tasks, as well as member support and project organisation. In addition, she takes care of the preparatory accounting.
In her free time, she loves to spend time with family and friends and is passionate about cooking and baking. She also speaks 3 languages and feels very connected to her second home, Greece.
In January 2023, Max Rosenau started as a marketing and account manager at the IAKS in the Cologne office. As a contact person for all business partners, he supports and advises them in their marketing activities in our network, especially in relation to our magazine "sb" and as a partner of our numerous seminars and events.
Max Rosenau studied in the bachelor's programme "Sports Management and Communication" at the German Sports University in Cologne. Away from work, he is interested in a variety of individual and team sports, is generally very keen on sports and played in a football club for a long time. He also enjoys travelling and feels at home in hip-hop music.
Max Rosenau
Marketing & Account Management
In January 2023, Max Rosenau started as a marketing and account manager at the IAKS in the Cologne office. As a contact person for all business partners, he supports and advises them in their marketing activities in our network, especially in relation to our magazine "sb" and as a partner of our numerous seminars and events.
Max Rosenau studied in the bachelor's programme "Sports Management and Communication" at the German Sports University in Cologne. Away from work, he is interested in a variety of individual and team sports, is generally very keen on sports and played in a football club for a long time. He also enjoys travelling and feels at home in hip-hop music.
Felicia Astuni has been part of the IAKS team at the head office in Cologne since March 2024. As Manager B2B Marketing-Sales-Communications, she is responsible for the marketing and PR activities of IAKS International and acts as the contact person for business partners in the IAKS network.
Felicia Astuni studied International Leisure Management at the NHTV University of Applied Sciences in Breda, Netherlands. Her work at IAKS International takes her back to her beginnings in Sports and Leisure Management, where she utilises her experience in Marketing and Communication Management.
In addition to her work, Felicia Astuni enjoys singing and performing on various stages in and around Cologne.
Felicia Astuni
Marketing-Sales-Communications
Felicia Astuni has been part of the IAKS team at the head office in Cologne since March 2024. As Manager B2B Marketing-Sales-Communications, she is responsible for the marketing and PR activities of IAKS International and acts as the contact person for business partners in the IAKS network.
Felicia Astuni studied International Leisure Management at the NHTV University of Applied Sciences in Breda, Netherlands. Her work at IAKS International takes her back to her beginnings in Sports and Leisure Management, where she utilises her experience in Marketing and Communication Management.
In addition to her work, Felicia Astuni enjoys singing and performing on various stages in and around Cologne.
Since February 2025, Jannis Krampen (26) has been working as a student assistant in the Marketing and Sales department at IAKS's headquarters in Cologne. In this role, he is responsible for planning and implementing marketing and sales activities for IAKS International. His tasks include conducting competitive, industry, and benchmark analyses, as well as serving as a competent point of contact for business partners within the IAKS network. Additionally, he handles B2B customer inquiries and prepares onboarding and acquisition meetings for the sales team.
Jannis is currently pursuing a bachelor's degree in Business Administration at IU International University in Cologne and has previously completed training as an industrial clerk. With his background in business and practical experience in marketing and sales, he is able to effectively apply his knowledge and skills in his role at IAKS International.
Outside of his professional activities, Jannis enjoys spending time outdoors, cycling, and engaging in various sports.
Jannis Krampen
Marketing and Sales
Since February 2025, Jannis Krampen (26) has been working as a student assistant in the Marketing and Sales department at IAKS's headquarters in Cologne. In this role, he is responsible for planning and implementing marketing and sales activities for IAKS International. His tasks include conducting competitive, industry, and benchmark analyses, as well as serving as a competent point of contact for business partners within the IAKS network. Additionally, he handles B2B customer inquiries and prepares onboarding and acquisition meetings for the sales team.
Jannis is currently pursuing a bachelor's degree in Business Administration at IU International University in Cologne and has previously completed training as an industrial clerk. With his background in business and practical experience in marketing and sales, he is able to effectively apply his knowledge and skills in his role at IAKS International.
Outside of his professional activities, Jannis enjoys spending time outdoors, cycling, and engaging in various sports.
Cathrin Völlmecke (32) has been part of the IAKS team at the Cologne head office since March 2025. As team assistant, she takes care of member services, is largely responsible for accounting, in particular invoicing, and supports the team with day-to-day and project-related tasks.
She completed her Bachelor's degree in Journalism and Corporate Communications at HMKW Cologne. She then worked professionally in various areas.
She enjoys spending her free time with her husband and two children, spending time in nature, climbing or camping.
Cathrin Völlmecke
Member Services and Accounting
Cathrin Völlmecke (32) has been part of the IAKS team at the Cologne head office since March 2025. As team assistant, she takes care of member services, is largely responsible for accounting, in particular invoicing, and supports the team with day-to-day and project-related tasks.
She completed her Bachelor's degree in Journalism and Corporate Communications at HMKW Cologne. She then worked professionally in various areas.
She enjoys spending her free time with her husband and two children, spending time in nature, climbing or camping.
