Influence Beyond Borders: The Global Impact of Digital Opinion Leaders on their peers

In the age of social media, influence extends beyond borders. DOL Finder 2.0’s conversation map reveals who truly drives influence online and enables pharmaceutical teams to identify Digital Opinion Leaders based on their global peer-to-peer impact.

Let’s dive into a few HCP profiles on our Breast Cancer DOL Finder.

Matteo Lambertini

Currently ranked among the top Digital Opinion Leaders in breast cancer, Matteo Lambertini is a credible and highly trusted voice in online HCP discussions about breast cancer. With over 18,000 followers on X alone, Lambertini has amassed a significant following and is well-connected with peers across the world.

Positioned as a central node, Matteo emerges as a key voice with peer conversations extending far beyond his primary location in Italy. The conversation map shows both how often he engages with other HCPs and how frequently he is referenced by peers across regions, highlighting not just his visibility but his impact on peers globally. By mapping these connections geographically, pharmaceutical teams are able to have a quick glance to see how thought leadership travels across borders, demonstrating why figures like Matteo Lambertini are highly influential Digital Opinion Leaders within the global breast cancer space.

This intelligence helps pharmaceutical leaders be more intentional in how they engage HCPs. By understanding influence networks on social media, teams can identify the right voices to involve in advisory boards, congress meetings and peer programmes, focusing on those who already have built a strong network online and shape online conversations. These insights bridge digital influence and in-person engagement, enabling more meaningful relationship building and longer-term collaboration.

Yakup Ergün

Next we will dive into the profile of Yakup Ergün, a prominent oncologist from Türkiye. Yakup Ergün is an example of an HCP who is mentioned frequently in the conversation and has a significant impact on HCPs in the US, despite being located outside of the US. When identifying DOLs who influence a particular market, some DOLs may be outside that market yet have a greater impact, so it is important not to overlook them.

By zooming in on the conversation map, DOL Finder users can click on individual nodes to see exactly which HCPs are referencing a specific Digital Opinion Leader and how frequently those interactions occur. For instance, over the past 12 months, haematologist-oncologist Santhosh Ambika referenced Yakup Ergün 91 times in the online breast cancer conversation. Such sustained interaction highlights a strong peer relationship and indicates that Yakup Ergün’s insights are consistently influencing ongoing clinical discussions.

Aya Mohamed

Let’s take a closer look at Aya Mohamed, an oncologist based in the US. At first glance, her presence on X may seem limited, with just over 1,000 followers. However, her conversation network reveals a far greater level of influence. The map shows strong connections with US-based peers, alongside meaningful interactions that extend into Europe and Asia. This kind of peer trust and collaboration would be easily missed if Digital Opinion Leaders were identified using vanity metrics like follower count alone.

Takeaways for medical and commercial teams

DOL Finder 2.0 highlights which HCPs are truly driving the conversation in your therapeutic area. By mapping real-time peer influence and global conversation networks, DOL Finder empowers medical and commercial teams to engage the right Digital Opinion Leaders in advisory boards, congresses, and various other initiatives. The result: smarter, more targeted collaborations, stronger relationships, and measurable impact that keeps your team ahead in an increasingly digital and connected world.

If you want to learn more or identify the right DOLs for your therapy area, book a meeting with one of our consulting team or register for a demo of DOL Finder.