Executive committee

The Executive committee manages the fate of the bdla in accordance with the statutes and the resolutions of the advisory board as the highest decision-making body of the bdla. The members of the Executive committee, and in particular the President, represent the association both internally and externally.

Executive committee

Prof. Stephan Lenzen

President

RMP Stephan Lenzen Landschaftsarchitekten
Klosterbergstraße 109
53177 Bonn

Tel: 02 28/95 25 70
Fax: 02 28/32 10 83

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https://www.rmpsl.la/

Gudrun Rentsch

Vice-president

arc.grün gmbh
landschaftsarchitekten.stadtplaner
Steigweg 24
97318 Kitzingen

Tel: 0 93 21/2 68 00 53
Fax: 0 93 21/26 80 90 53

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https://www.arc-gruen.de/

Timo Herrmann

Vice-president

bbz landschaftsarchitekten berlin gmbh
Gneisenaustraße 41
10961 Berlin

Tel: 0 30/4 05 04 39 14

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https://www.bbz.la

Jens Henningsen

Treasurer

Henningsen Landschaftsarchitekten PartG mbB
Karl-Marx-Allee 143
10243 Berlin

Tel: 0 30/6 95 33 00 50
Fax: 0 30/6 95 33 00 59

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https://www.henningsen-berlin.de/

Prof. Dr. Antje Backhaus

Executive observer

gruppe F Freiraum für alle GmbH
Gneisenaustraße 41
10961 Berlin

Tel: 0 30/6 11 23 34

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https://www.gruppef.com

Martina Gaebler

Executive observer

Kortemeier Brokmann Landschaftsarchitekten GmbH
Oststraße 92
32051 Herford

Tel: 0 52 21/97 39 20

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https://www.kortemeier-brokmann.de

Doris Grabner

Executive observer

grabner huber lipp landschaftsarchitekten
und stadtplaner partnerschaft mbb
Gutenbergstraße 11
85354 Freising

Tel: 0 81 61/ 8 62 16 20

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https://www.ghl.land

Franz Reschke

Executive observer

Franz Reschke Landschaftsarchitektur
Gneisenaustraße 42
10961 Berlin

Tel: 0 30/8 14 54 01 50
Fax: 0 30/8 14 54 01 71

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https://www.franzreschke.de/

Prof. Sebastian Sowa

Executive observer

SOWATORINI Landschaft PartmbH
Alte Hattinger Straße 17
44789 Bochum

Tel: 01 76/ 72 85 61 82

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https://www.sowatorini.de

in progress

bdla Executive Committee: Membership fee structure, support for young professionals and representation of members’ interests

On 25 June 2026, the bdla Executive Committee met in Berlin to discuss key issues relating to the association’s development. Topics included the membership fee structure, strengthening professional development and the promotion of young talent, and the strategic direction of the association’s political advocacy work.

Nachricht · 12.06.2026

bdla Executive Committee: Focus on health and climate strategy

At the meeting on 22 January 2026, the Executive Committee’s discussions centred on preparations for the 2026 Advisory Board meeting and the association’s strategic direction in light of the challenges posed by climate change and their impact on health and resource use.

Nachricht · 12.03.2026