Management Team

Rob van der Knaap


Rob has been with Spark for over 20 years. Starting as a service manager in 1996, Rob has had various positions on both the commercial side as well as on the development side of the company. Within his overall responsibility, his main objective is to create a company known for its innovative sample introduction, extraction and separation technology on one hand, and on the other, a company that is appreciated for taking excellent care of its customers.

Sonja van der Laan

Vice President Operations

Sonja started working at Spark in 1985. She has had several positions in the company and now heads Operations and Support. The Operations team is responsible for production, logistics and purchasing. High quality and reliable delivery times are top priority for the Operations department. The Support team is responsible for ict, quality and human resources.

Florian van der Hoeven

Commercial Operations Director

Florian has been with Spark since 2015 and was located in Boston until 2020. He is responsible for the Commercial Operations at Spark, including Sales, Service, Business Development, Customer Support and Marketing. He has a background in Biomedical Engineering and proudly holds an international MBA degree.

Otto Halmingh

Technology and Product Management Director

Otto  has held several roles over the past years in customer services, product management and product development. He joined Spark more than 16 years ago as scientific researcher. Besides development of new innovative products the R&D team is specialized in performing OEM customization projects.

Arjan Alkema

Finance Director

Arjan started working at Spark Holland in 2019, as Business Controller. Since 2021 in the role of Finance Director, he is responsible for all activities related to Finance & Control.

Cornelis Tump

Research and Development Director

Cornelis started working at Spark Holland in 2014 and is responsible for Sparks’ Research & Development department, which includes Mechanical-, Electronical Engineering, Software Development and our Laboratory.

Henri-Paul Karman

QA/RA Manager

Henri-Paul started working at Spark in 2006 as a lead engineer of the R&D department. As QA/RA manager he currently is responsible for the quality and regulatory compliance of Spark’s products and services. The QA department maintains an ISO9001 and ISO13485 certified quality management system to ensure both customer satisfaction and product compliance.

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