Speaker & victim advocate

Sébas Diekstra

Sébas Diekstra is one of the Netherlands' most prominent victim advocates. He assists victims and their relatives in significant and often media-sensitive cases – from murder and manslaughter to cold cases, sexual offenses, femicide, systemic failures, and terrorism – and tirelessly fights for a justice system where their voice finally takes center stage. Additionally, he regularly supports well-known Dutch individuals who have become victims of crimes and is a powerful speaker on justice, mental resilience, and leadership under pressure. Sébas is available for booking as a speaker at the Sprekershuys.

Themes

Subthemes

Available for booking as

Speaker

Languages

Dutch

Rate indication

€ 2,500 - € 3,499

About Sébas Diekstra

Sébas knows how to convincingly translate societal themes such as justice, safety, and responsibility into leadership and resilience within organizations. His lectures are personal, confronting, and always tailored. With his experience as a lawyer, former military police officer, and media maker, he engages his audience and encourages action.

Lectures with impact and concrete tools

In his lectures, Sébas connects moving real-life stories to current organizational issues. How do you take responsibility under pressure? How do you create safety when systems fail? With sharp insights, practical tools, and personal anecdotes, he knows how to touch and activate every audience.

Author and advocate

In his book Justice for the Victim, Sébas advocates for structural reform of the criminal process. Victims deserve more than recognition: they deserve a full place in the system. His message is clear: awareness is not enough; it must change – and that starts with the conversation.

Sébas Diekstra is available for booking as a speaker in the fields of law, leadership, mental resilience, safety, and social change. Suitable for substantive conferences, legal meetings, leadership events, and theme days on social safety.