Talent insight · Better people decisions
Make better decisions about your people.
Objective talent insight.Human understanding.Actionable development.
J&G Advisory helps organisations make critical decisions about talent, potential and leadership through highly tailored Assessment & Development Centers.

Why assessment
The right people decision changes more than one career.
Hiring, promotion and leadership decisions have a lasting impact on performance, teams and organisations.
Yet these decisions are often made with incomplete information, subjective impressions or limited insight into a person's actual behaviour and potential.
Assessment brings another level of clarity.
See beyond the CV
Understand how someone thinks, behaves, decides and interacts when faced with realistic situations.
Reduce uncertainty
Add structured, objective evidence to important selection, promotion and succession decisions.
Turn insight into development
Identify not only whether someone is ready, but where potential lies and what will help them grow.
Different questions require different assessments.
Assessment
Make critical talent decisions with greater confidence.
For recruitment, promotion, mobility or succession decisions where CVs, interviews and intuition alone are not enough.
- Selection Assessment
- Promotion Assessment
- Leadership Assessment
- Executive Assessment
Development
Turn insight into meaningful development.
Development Centers create a rich picture of strengths, potential and development needs — and translate that insight into practical next steps.
- Development Centers
- Leadership Development
- Talent & Potential
- Individual Feedback
Our difference
Insight with depth.Delivered with humanity.
An assessment should create value on both sides of the table.
For the organisation, that means objective insight that supports better decisions. For the participant, it means a professional and engaging experience that creates meaningful self-insight and concrete development direction.
Tailored, never off-the-shelf
Every assessment starts with the decision you need to make.
Objective & rigorous
Structured methodology combined with experienced professional judgement.
Human by design
A demanding assessment can still be respectful, engaging and genuinely valuable.
From insight to action
Clear recommendations for HR, managers and participants — not a report that disappears into a drawer.
Our approach
From business question to better people decision.
- 01
Understand
- 02
Design
- 03
Assess
- 04
Integrate
- 05
Act
We start with the role, context and decision — not with a standard assessment package.
J&G Advisory
Senior expertise.Trusted professionals.The right team for each project.

Joëlle Dekeyser
Talent Decision Partner · Founder J&G Advisory
I bring more than 20 years of experience in talent assessment and development, combining structured assessment expertise with a genuine curiosity about people and the business contexts in which they need to perform.
Depending on the scope and complexity of the project, I work alongside a network of experienced and trusted professionals, selected for their expertise and fit with the assignment.
Personally involved
Senior involvement throughout the assignment.
Experienced & trusted professionals
A carefully selected network of assessment and development specialists.
The right team for the project
Expertise and capacity tailored to each assignment.
- 20+ years experience
- Online internationally
- Dutch · French · English · Portuguese
Assessment can be demanding —and still be a positive experience.
“People should leave an assessment knowing more about themselves than when they entered it.”
Challenging · Respectful · Insightful · Developmental

Facing an important people decision?
Whether you are hiring, promoting, identifying potential or developing leadership, let's explore what you really need to know before making that decision.
Discuss your projectWorking online internationally and on-site according to the project.