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Our key contacts


Expertise, responsibility, and direct communication at eye level

At rising systems, our contacts represent the key areas of our company – from strategic leadership and sales to communication and People & Culture.

Each of them plays a crucial role in ensuring projects are delivered successfully, partnerships are maintained, and teams are strengthened.

Here, we introduce the people who shape rising systems and support your project with expertise, experience, and passion.

Helene Riemer


Helene Riemer

Sales & Partner Management

Helene leads the Sales and Partner Management division at rising systems. 

She is your primary contact for project inquiries, cooperation partners, and all sales-related topics. With proactive guidance, she ensures a smooth and efficient proposal and contract phase..

Sebastian


Sebastian Witzmann

Executive Board, rising systems AG

Sebastian is the long-standing Managing Director and strategic mind behind rising systems.

He brings extensive experience in IT strategy, growth, and partner organizations. Sebastian focuses on the company-wide vision, scaling the business, and building sustainable technology partnerships.

Carsten Will


Carsten Will

Marketing Director

Carsten leads Marketing & Communications at rising systems.

He is responsible for brand presence, content strategy, and all internal and external communication. He is your first point of contact if you would like to learn more about our solutions, campaigns, or cooperation opportunities.

Jeanne Witzmann


Jeanne Witzmann

Circle Lead People

Jeanne is responsible for People Management, recruiting, and organizational development at rising systems. 

She oversees team growth, company culture, and ensures that our employees are optimally supported – so your project is delivered by engaged and highly qualified experts.

Get in touch

Let’s talk about how we can support your digital transformation. With lean, modern processes and software tailored to your needs, we prepare your business for the future.

Schedule a non-binding consultation with us today.

Would you like to get in touch with a specific contact person? No problem – simply include the name in the subject line.


Book your free consultation