ESSENTIALS AT A GLANCE
The Venue
A historic island in the middle of a picturesque Italian lake
The Goal
To deepen cultural cohesion amongst an international network of core Python and AI data engineers during their second annual assembly on the island.
Industry
Data Science, Infrastructure Scaling & Artificial Intelligence.
Country & Region
Lombardy, Italy.
Producers
Campfire
Character
Cerebral, understated, and resilient.

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How a community of open-source builders came back to Monte Isola, and let a lake, medieval architecture, and a karaoke machine do what a thousand emails couldn’t.
By the time the first ferry hit the dock at Sensole, most of the Quansight team had already stopped checking their phones. That, more than anything on the agenda, was the point.
Quansight is a consulting company built almost entirely on distance — a global bench of scientists, engineers, and open-source maintainers who write the code that underpins much of modern data science and AI, often without ever sharing a room. Co-founded by Travis Oliphant, a name etched into the history of the scientific Python ecosystem, the company's real infrastructure isn't a server rack. It's trust, built one merged pull request at a time, between people spread across the world who rarely meet in-person.
So once a year, Quansight closes that distance the only way that actually works: in person, somewhere that forces the tech-focused team to connect with one another rather than the WiFi.
For the second time, they chose the same small island in the middle of Lake Iseo — a quiet sign that the first visit had left a mark worth repeating.
Quansight is a consulting company built almost entirely on distance — a global bench of scientists, engineers, and open-source maintainers who write the code that underpins much of modern data science and AI, often without ever sharing a room. Co-founded by Travis Oliphant, a name etched into the history of the scientific Python ecosystem, the company's real infrastructure isn't a server rack. It's trust, built one merged pull request at a time, between people spread across the world who rarely meet in-person.
So once a year, Quansight closes that distance the only way that actually works: in person, somewhere that forces the tech-focused team to connect with one another rather than the WiFi.
For the second time, they chose the same small island in the middle of Lake Iseo — a quiet sign that the first visit had left a mark worth repeating.






A Slow Approach, On Purpose
The retreat didn't begin on the island. It began in Bergamo, where the group spent its first night easing into one another's company before the real arrival — a deliberate buffer between inboxes and Italy.
From there, the journey curved north toward Lake Iseo and across the water to Monte Isola, the largest lake island in Southern Europe and one with no cars allowed on its single coastal road. Quansight's own management team had already arrived days earlier at Sensole, the small lakeside hamlet that would anchor the week, for a leadership retreat ahead of the main gathering.
From there, the journey curved north toward Lake Iseo and across the water to Monte Isola, the largest lake island in Southern Europe and one with no cars allowed on its single coastal road. Quansight's own management team had already arrived days earlier at Sensole, the small lakeside hamlet that would anchor the week, for a leadership retreat ahead of the main gathering.
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New Ground, Old Instincts
Campfire built this edition of the retreat around a handful of new local partners, and the gamble paid off.
One of the centerpieces of the retreat was a treasure hunt across the island. However, when the forecast turned against them, the team pivoted, moving the entire hunt indoors to the Oldofredi Castle, the island's medieval fortress overlooking the lake. What might have been a washed-out afternoon became one of the most talked-about parts of the trip: stone corridors, hidden clues, and a sense of discovery that a sunny courtyard couldn't have topped anyway.
The weather didn't cooperate, but the plan did.Food did its own kind of bonding. A pizza-making masterclass at Sensole turned into one of the loosest, loudest stretches of the week — flour on sleeves, friendly competition over whose dough held its shape — followed that evening by an aperitivo on a terrace suspended over the water, the kind of view that makes conversation slow down naturally.
When the tables were cleared, a karaoke night at Sensole closed things out, and it didn't take much convincing to get a room full of engineers singing their hearts out in front of their colleagues.
Not every activity stayed dry. A kayak outing on the lake ran straight into a sudden, heavy downpour — and the paddlers came back drenched, laughing, and closer for it. At the same time, those who didn’t want to venture out in the poor weather took part in a painting exercise overlooking the lake. That small group that ventured out on kayaks during the storm later found themselves sharing dinner with new friends made on the water, a spontaneous extension of the day that no itinerary could have scheduled.
One of the centerpieces of the retreat was a treasure hunt across the island. However, when the forecast turned against them, the team pivoted, moving the entire hunt indoors to the Oldofredi Castle, the island's medieval fortress overlooking the lake. What might have been a washed-out afternoon became one of the most talked-about parts of the trip: stone corridors, hidden clues, and a sense of discovery that a sunny courtyard couldn't have topped anyway.
The weather didn't cooperate, but the plan did.Food did its own kind of bonding. A pizza-making masterclass at Sensole turned into one of the loosest, loudest stretches of the week — flour on sleeves, friendly competition over whose dough held its shape — followed that evening by an aperitivo on a terrace suspended over the water, the kind of view that makes conversation slow down naturally.
When the tables were cleared, a karaoke night at Sensole closed things out, and it didn't take much convincing to get a room full of engineers singing their hearts out in front of their colleagues.
Not every activity stayed dry. A kayak outing on the lake ran straight into a sudden, heavy downpour — and the paddlers came back drenched, laughing, and closer for it. At the same time, those who didn’t want to venture out in the poor weather took part in a painting exercise overlooking the lake. That small group that ventured out on kayaks during the storm later found themselves sharing dinner with new friends made on the water, a spontaneous extension of the day that no itinerary could have scheduled.





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Why the Island, Twice
There's a reason spread out teams like Quansight return to the same place rather than chase a new backdrop every year. An island with no cars, a single village as home base, and a deliberate slow build from Bergamo strip away the usual friction of a corporate offsite. What's left is unstructured time — a kayak, a paintbrush, a castle corridor, pizza dough — and that unstructured time is where the actual bonding happens. Quansight's people spend the rest of the year proving things to each other through code review comments and merged commits. For one week on Lake Iseo, they got to do it over dinner instead.
It rained on the kayakers. It didn't matter. By the end of the week, it wasn’t the temporary bad weather that stuck in people’s minds, but the stories and connections that will remain etched in the team’s memories for years to come.
It rained on the kayakers. It didn't matter. By the end of the week, it wasn’t the temporary bad weather that stuck in people’s minds, but the stories and connections that will remain etched in the team’s memories for years to come.

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