Why Traditional MSL Training No Longer Works (And What to Do Instead)

Why Traditional MSL Training Doesn’t Stick (and What Medical Affairs Teams Do Instead) 

Updated October 2026 | Originally published March 2025 

By Sarah Snyder, PharmD

If you’ve paid for MSL training and seen nothing change, the problem probably isn’t your team. It’s the format. One-off, one-size-fits-all training rarely sticks. Teams that see results customize it to real skill gaps, practice it live, reinforce it through managers, and track before-and-after results. 

The Problem: MSL Training Is Stuck in the Past 

Picture this: A new MSL sits at their desk, surrounded by stacks of scientific articles and slide decks, diligently highlighting and taking notes. This has been the standard training approach for decades. Memorize the data, understand the endpoints, and hope that translates into meaningful KOL conversations. 

It didn’t work in 2025. It really doesn’t work now. 

In the last 2 years, the MSL role has changed more than it did in the previous 10 years. Access is harder. Metrics are more demanding. Certifications are more rigorous. MSLs are juggling multiple products, covering community-based providers alongside traditional KOLs, and shifting from individual relationship management to account-level strategy. 

And now they’re expected to use AI tools on top of all of it. 

Training hasn’t kept up. That’s a problem. 

The Knowledge-Application Gap Is Getting Wider 

Understanding data ≠ communicating data. 

Traditional training assumes that an MSL who can recite endpoints can navigate sophisticated scientific dialogue. That assumption was always iffy. Now it’s just wrong. 

Key Challenges: 

1. MSLs read papers through an academic lens, not an HCP engagement lens. Memorization doesn’t build skills for dynamic, real-time conversations. 
2. Training built around individual KOL relationships doesn’t prepare MSLs to think strategically at the account and institution level, where more treatment decisions are now made. 
3. Training built around traditional KOLs doesn’t prepare MSLs for community physicians, APPs, and pharmacists who now make up a growing share of their territory. 

We asked 858 Medical Affairs professionals how long it takes a new MSL to really “get” the role. 57% said a year or more. Only 9% said under 6 months. 

That’s a long time. And most teams don’t have it. Launch timelines won’t wait, and a KOL isn’t going to give a new MSL a year to warm up. 

The way to shorten it is practice with real scenarios, starting in training, not on the job. 

Why Traditional Training Fails 

Memorization Doesn’t Build Confidence, and the Metrics Are Proving It 

Teams are being held to more rigorous insight capture standards, call quality benchmarks, and certification requirements. Traditional training isn’t closing that gap. It’s widening it. 

An MSL might know the competitor achieved a 35% reduction in relapse rates. But when the KOL asks, “What’s driving that difference?”, the MSL can’t answer because they were trained to deliver data, not takeaways. 

The Stakeholder Map Has Changed 

Clinical conversations have never been about one product in isolation. But now MSLs need comparative thinking across their entire portfolio, in real time, while also adapting their approach for a community hospitalist who has 8 minutes versus an academic KOL who wants to dig into the methodology. 

These are fundamentally different conversations. Most training prepares MSLs for neither. 

Account Thinking Is Now a Core Skill 

The shift from individual KOL management to account-level strategy isn’t a future trend. It’s happening now. MSLs need to understand the full ecosystem of stakeholders influencing treatment decisions within a system or practice. That requires a different kind of preparation than memorizing study endpoints. 

One-Size-Fits-All Training Fits No One 

A team launching a biosimilar and a team in rare disease need different skills. When both get the same generic workshop, neither gets what they need. 

There’s No Follow-Up 

Training without reinforcement fades fast. In 1885, Hermann Ebbinghaus showed that we forget new information most steeply in the first hours and days after we learn it. Researchers replicated his forgetting curve in 2015. If there’s no plan for day 30, 60, and 90, the training was an event, not a change. 

The Fix: Train for the Role That Actually Exists 

• Scenario-Based Learning: Train MSLs to explain complex concepts under pressure, not in ideal conditions. 
• Micro-Learning and Reinforcement: Use short, focused lessons built on adult learning principles, spaced out over time, so skills stick long after the workshop ends. 
• Stakeholder Adaptation: Train MSLs to shift their approach across KOLs, community providers, and account-level contacts. 
• AI Integration: Teach MSLs to use AI responsibly for literature synthesis, pre-call planning, and takeaway generation, and to critically evaluate what AI gets wrong. 
• Active Dialogue Practice: Develop the ability to steer conversations, not just survive them. 

Research proves it: passive learning = 20% retention after 24 hours. Active learning = 80%. 

What Customized Medical Affairs Training Should Include 

1. A needs assessment first. Find your team’s real skill gaps before you build anything. Talk to managers, survey the team, and look at what’s happening in the field. 
2. Role-specific practice. Use real scenarios from your therapeutic area, your stakeholders, and your stage of launch. 
3. Short, focused modules. MSLs pull specific skills for specific moments. Training should work the same way. 
4. Manager reinforcement. Give managers a simple 30-60-90 day plan so they know what to look for in the field and how to coach to it. 
5. Before-and-after measurement. Measure skills before training and again after. That’s how you prove it worked. 

How MSL Mastery Measures Training Impact 

We baseline your team before training, then measure them again after, against the core skills for each program we run. The before-and-after surveys feed a skills heat map, so leaders can see exactly where their team moved. 

Here’s what that looks like in practice. One Medical Director team started our MSL Mastery’s AI for Medical Affairs Excellence Program at an average of 1.9 out of 5 across five core AI skills. Most had no clue how to use AI or how it fit into their daily strategic work. We measured them after every session for seven months, and by the end they averaged 3.9, a 2-point jump. The biggest gains came where it matters most: using AI for daily tasks and Medical Affairs-specific work, both up 2.3 points. It’s completely changed how this team operates. With less admin weighing them down, each Medical Director is expected to free up 1,000 hours a year for high-impact strategic work (self reported by the team). That’s the difference between a team that sat through a basic enterprise AI training and a team that learned practical AI skills for their Medical Affairs role. 

From Data Delivery to Takeaway Creation 

KOLs don’t need an MSL to recite data they already found on PubMed. They need a thought partner who can connect data to real-world clinical decisions, facilitate deeper conversations, and show up having done the preparation that makes every minute of limited access count. 

What Works: 

• Shift from Telling to Asking: Train MSLs to prompt deeper discussions: 
• “How might this data influence your treatment decisions?” 
• “What challenges do you see translating these findings to your patient population?” 
• Build AI Literacy: MSLs who know how to use AI tools well, and how to catch AI errors, are more prepared, more efficient, and more credible. 
• Train for Access Efficiency: Every touchpoint needs to deliver value. Because there may not be a next one. 

The Bottom Line 

The companies that win in 2026 are training MSLs for the role that actually exists, not the one from 10 years ago. 

MSLs today are doing more with less: more products, more stakeholder types, stricter metrics, and fewer opportunities to make an impression. The training has to match that reality. 

Stop training for memorization. Start training for impact. 

Frequently Asked Questions 

What should customized training for a Medical Affairs team include? 

A needs assessment, role-specific scenario practice, short focused modules, manager reinforcement, and before-and-after measurement. If any of these are missing, the training is less likely to stick. 

How do you measure the impact and ROI of Medical Affairs training? 

Baseline the team’s core skills before training, then measure the same skills again after. Before-and-after surveys, manager observations, and the field metrics your leaders already track show what changed. 

How long before MSL training shows results? 

Right away. Teams often show skill gains as soon as training ends. The challenge is keeping them, because new skills drop off fast without practice. That’s why MSL Mastery programs build in reinforcement and manager resources, so the skills stick in the field. 

Ready to Build Training That Reflects What MSLs Are Actually Facing? 

See how we build a custom team training program around your team’s real gaps. 

Book a team training call 

Sarah Snyder, PharmD, is Co-CEO of MSL Mastery, an expert coach and facilitator with 20+ years as an MSL. She turns hard-won field experience into practical skills teams can use the next day.