Take the lead in your career

I am PhD I am Postdoc I am Lecturer I am Manager I am OBP

Are you ready for a new job?

If you’re looking for a new position
We can help you gain clarity and confidence through:
• Understanding your personal profile
• Networking and applying for positions
• Exploring the job market
• Interview skills training

If you want to develop within your current role

We support your professional growth through:
• Competence assessment
• Personal leadership
• Workload and wellbeing
• Career coaching sessions

Workshops

Hands-on and goal-oriented, designed to strengthen your career skills

Training

In-depth programmes focused on building knowledge, attitude, and professional behaviour

Coaching

One-on-one career coaching tailored to your personal development journey

“I now know what my knowledge and skills are worth.”

Meet our coaches and trainers

Our career coaches and trainers are experienced professionals. The core team is permanently affiliated with ProActief, and we also work with external coaches who bring their own specialisations and perspectives.
Do you have a question for one of our coaches or trainers?
Email us at This email address is being protected from spambots. You need JavaScript enabled to view it..

Director

Ruerdje van Mierlo

"Innovation and quality are my drivers. Regarding career development, I say: self-direction is indispensable"
Career coach and trainer

Sieta Keizer

‘I focus on ownership, self-knowledge, and proactivity—supported by creativity, humor, an open mind, and the ability to see through patterns and deeper layers.‘
Career coach and trainer

Leon Bos

‘The best thing about career coaching is the moment when candidates discover what they already have to offer—and gain a clear view of their next step.‘
Career coach and trainer (flex)

Jacqueline Smit

‘My approach is pragmatic, positive, stimulating, and results-oriented. I help you enjoy the process of finding a suitable new job or achieving a healthy work-life balance.‘
Career coach and trainer

Channah van Dootingh

‘I combine genuine commitment with quick analysis and creative solutions. My approach is practical and action-oriented.’
Career coach and trainer

Marjolein Niehe

‘I always see talent and potential in you. With practical tools and a touch of humour to keep things light, I help you take the next steps with confidence, even when it comes to management and leadership.‘
Career coach and trainer

Simone Schulp

‘What's holding you back? I'll free you up and get you moving toward new work, toward yourself, and toward what you want to do in life and from your heart.’
Career coach and trainer

Josta Vencken

'Let's explore what you want, and what your talents and skills are. I will suggest practical tools to discover new career paths and truly move forward.'
Business operations and finance

Bianca Klupper

Our rock when it comes to planning, organization, and finances. Knows almost everything and comes up with practical and effective solutions.
Office manager

Ilse Vlassak

Experienced office manager who likes to roll up her sleeves. Friendly, to-the-point, and results-oriented, she assists our candidates and clients.
Trainer and career coach (flex)

Rob Smits

‘Not just talking, but above all practicing and pushing boundaries. For a mix of Amsterdam guts and Zaandam pragmatism, I'm the person to turn to.’
Career coach and trainer (flex)

Mervyn Nankoe

‘I create a safe space where you learn to trust yourself and let your authentic colors shine.’

Blog

De uitdagingen van een jonge postdoc

Details: 15 September 2025

De postdocfase wordt vaak gezien als de springplank naar een academische carrière. Maar achter de schermen blijkt het...

Details: 11 September 2025

De Week van de Loopbaan

Details: 28 May 2025

Setting boundaries in academia

What our clients say

“I was able to enter the job application process with more confidence”

“The coaching gave me peace of mind and self-confidence, which I then radiated, resulting in a new job.”

“Thinking and dreaming more freely and being less uptight encourages movement”

“Inspiring meetings with a nice balance between practical insight, meditation and group assignments.”

“I left with a concrete plan”

“The training gave me a step-by-step and very pleasant insight into what is important to me and where I want to go. I left with a concrete plan.”

“Your experience and expertise were greatly appreciated by our audience”

“Thank you for attending the CV check at the job fair. It was invaluable to our participants!”

“It took a while, but now it's all sorted”

“Once again, thank you so much for your help over the past year and your feedback on my letter and CV, which were the starting point for this job.”

“I’m glad I made the choice”

“I have just completed a coaching programme while recovering from burnout. I feel heard, understood and have received the right guidance and tools.”

“I benefited greatly from ProActief's Leadership Training”

“After the training, I feel more confident about myself as a manager and I hear from my team members that they really appreciate my new style of communication. Thank you, ProActief!”

“I received very specific advice about my career options”

“I found the few conversations I had to be supportive and insightful.”

“What did the coaching do for me?”

“Awareness, support to take more control of my work and life.”

“I received very targeted assistance”

“My coach was able to help me in a very targeted way with regard to transferable skills and professional interests. Very nice!”

“I benefited greatly from this highly solution-focused approach to coaching”

“The circumstances surrounding my departure were far from pleasant. Thanks to a very solution-focused approach to coaching, I found the courage to face the world with a positive attitude again.”

“I didn't know that LinkedIn could mean so much to me”

“The responses from the course leader and fellow students on everyone's LinkedIn profile really give you a concrete understanding of what LinkedIn can do for you.”

Agenda