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How to successfully Onboard an Interim Manager in a Financial Institution

How to successfully Onboard an Interim Manager in a Financial Institution

In his new article, Nic Sterckx, Associate Director at Morgan Philips Belgium, gives a step-by-step onboarding guide for Interim Managers in financial institutions. 

03/07/2025 Back to all articles

In my last article, I shared some reflections from the field on what interim managers really bring to Belgian financial institutions, especially in the context of regulatory change, ESG, and operational transformation. The response highlighted an important point: while the value of an Interim Manager is generally understood, the impact of a well-executed onboarding process is often underestimated. 

In other words, even the most experienced Interim Manager can’t perform at their best without the right setup from day one. 

That’s why I wanted to follow up with something a bit more hands-on: a step-by-step onboarding guide based on what I’ve seen work (and not work) across financial institutions. This isn’t theory; it’s what actually helps Interim Managers deliver fast, concrete results.  

 

What is an Interim Manager?

First things first, let’s go back to basics. An Interim Manager is a seasoned executive brought in on a short-term mission to address a specific business challenge. Unlike consultants, Interim Managers take full operational ownership. 

Key responsibilities of an Interim Manager: 

  • Drive business-critical change or transformation 

  • Provide leadership continuity in times of transition 

  • Close urgent skills gaps in regulatory, risk or compliance functions 

  • Deliver results quickly in high-pressure environments 

They are valued for their speed, independence, and deep expertise

 

The State of the Interim Management Market in Belgium  

  • Financial institutions are among the top 3 sectors using interim solutions 

  • Most of the time, the Interim Management mission is 3 to 9 months long 

Hot profiles: Risk, regulatory transformation, ESG transition, CFO-as-a-Service. 

 

Step-by-Step Guide to Effective Interim Onboarding 

Step 1: Define the mission clearly 

This may sound obvious, but it remains one of the most commonly overlooked steps. Too often, an Interim Manager is brought in with a vague brief and expected to “figure it out.” That rarely leads to success. 

Interim Managers bring a high level of expertise and are used to operating independently. They do not require micromanagement, but they do need clarity. The business challenge should be well defined from the start. What is the need of hiring an Interim Manager? Is the assignment about managing a transition, accelerating delivery, closing a regulatory gap, or stabilising a process? 

Be clear about the expected deliverables. Is the goal to produce a fully compliant policy, a strategic roadmap, or an audit-ready file? The clearer the output, the more effectively the Interim Manager can structure their work and prioritise actions. 

It is also important to define objectives that can be clearly measured. This can be done across a 30-, 60-, and 90-day intervals format. Interim Management assignments are, by nature, time bound. Short-term milestones provide structure, maintain alignment, and create a basis for evaluating success. 

Step 2: Ensure systems and access are ready before day one 

I’ve seen many Interim Managers lose their first days (sometimes even their first week) due to delays in system access, lack of equipment, or missing stakeholder contact lists. This creates avoidable friction. 

Ensure that IT equipment, credentials, and relevant software access are ready to go from day one. Provide access to essential resources such as regulatory frameworks, internal policies, reporting templates, and any current project documentation. 

If possible, set up introductory briefings with the relevant support departments: IT, HR, Compliance, or Operations, before the official start date. This reduces the administrative burden during the critical early phase. 

Institutions that have a fast-track onboarding checklist specifically tailored for Interim Managers are almost always more efficient in integrating them quickly. 

Step 3: Appoint a sponsor or a SPOC

Every Interim Manager, no matter how experienced, needs a reliable internal contact. 

Even the most independent Interim Manager needs a go-to person for: 

  • Translating objectives into internal realities 

  • Navigating company culture and priorities 

  • Facilitating introductions 

This sponsor should be senior enough to influence, but available enough to support. Weekly touchpoints during the first month are ideal. 

Read more: What is 360° assessment? 

Step 4: Provide clarity on informal dynamics 

A major challenge for Interim Managers is understanding the informal dynamics within an organization: how decisions are made, how communication flows, and where the real power resides. 

It’s important to provide clear context on internal sensitivities, legacy issues, and stakeholder relationships. Interim Managers are hired to deliver results within the existing framework, not to disrupt it. The more insight you can offer into the organization’s culture, the more effectively they can navigate these dynamics. 

This is particularly crucial in regulatory and transformation projects, where much of the work involves collaborating across different teams, hierarchies, established interests, and hidden agendas. 

Step 5: Integrate, don’t isolate 

While interim managers are temporary by definition, they must be treated as part of the team if they are expected to drive results. Isolation reduces access to information, slows down progress, and often creates unnecessary resistance. 

  • Include them in relevant team meetings and leadership briefings 

  • Encourage them to challenge ideas and bring fresh thinking 

  • Position them as trusted change agents, not outsiders 

Proper integration increases collaboration and internal buy-in, especially from permanent staff. 

Step 6: Set up regular check-ins and feedback moments 

While a formal performance review may not be necessary, regular check-ins are crucial, particularly within the first six weeks. From my experience, informal check-ins tend to be more effective and less rigid than structured reviews. 

At the three-week mark, take the time to review progress and address any obstacles. By the one-month point, reassess the objectives and adjust the scope if necessary. As the mission comes to a close, ensure a thorough debrief to capture key lessons and ensure a smooth transition of responsibilities. 

Feedback isn’t only valuable for the Interim Manager; it’s also a chance for the organization to refine how it collaborates with external experts. 

Effective onboarding isn’t about unnecessary formality, it’s about providing clarity, access, and alignment. When financial institutions properly prepare for an Interim Manager’s role, the return on that investment is immediate: quicker results, better collaboration, and more lasting impact. 

 

Why work with an Interim Management Firm like Morgan Philips Belgium ? 

Partnering with a specialized Interim Management recruitment firm in Belgium ensures: 

  • A clear definition of your mission and expectations 

  • Quick access to vetted, immediately available managers 

  • Seamless operational onboarding 

  • Objective support throughout the assignment 

At Morgan Philips, we support major Belgian financial institutions with time-sensitive interim management and recruitment needs in the Financial Services industry. Whether it’s interim roles or permanent recruitment, our managers are operational from day one, ensuring immediate impact. 

 

If you're looking to streamline the onboarding process for Interim Managers, or if you'd like to have a chat about how Interim Managers can drive value, feel free to reach out. I’d be happy to share a pre-designed checklist that can help ensure a smooth and effective integration from day one.  

 

Frequently Asked Questions

What is an Interim Manager?

A highly experienced leader hired temporarily to solve specific business challenges or bridge executive gaps. 

When should I consider hiring an Interim Manager in a financial institution?

  • During a leadership transition 

  • To fix a critical process or project 

  • For short-term regulatory compliance or crisis management 

How long does an Interim Manager's mission typically last?

Usually 3 to 9 months, depending on the objective. 

What are the benefits of hiring an Interim Manager instead of recruiting a permanent employee?

  • Speed of engagement 

  • No long-term cost 

  • Objective, results-oriented approach 

Should I use an interim management firm or hire directly?

A specialized firm like Morgan Philips ensures confidentiality, speed, and better matching, especially for strategic or sensitive roles. 

How does Morgan Philips Belgium support the onboarding of Interim Managers? 

Morgan Philips Belgium offers: 

  • Clearly defined missions and onboarding checklists 

  • Quick access to experienced, immediately available managers 

  • Continuous support and follow-up throughout the assignment 

  • Proven expertise in supporting financial institutions with interim and permanent recruitment 

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