Speakers

Ignacio Losiggio

Hernán Wilkinson
Passionate programmer. Smalltalk lover. Founder of 10Pines and FAST (Argentine Foundation of Smalltalk). Professor of the FCEyN at the UBA. Teaches OO and Agile techniques at the university and the industry. Key Note Speaker of many national and international conferences. Contributes to many Smalltalk opensource projects. Promotes self organized organizations and agile methodologies. You can follow him in Twitter at @hernanwilkinson

Luciano Leveroni

Maximiliano Tabacman
Maximiliano Tabacman has been a part of Mercap since he started his studies in IT, which now include a PhD in Computer Sciences from the Facultad de Ciencias Exactas y Naturales (UBA). His main interest is the design of systems that apply nature inspired concepts, such as evolutionary algorithms and neural networks. Smalltalk, with its object-message design, is his natural choice for a development platform. He is also the creator of ERA, a standalone web server application for running table-top roleplaying games, which runs on Windows, Mac and Linux.

David Weil
David Weil is a software developer and researcher specializing in computer security, systems internals, and optimization. At CORE Security, he contributed across a wide range of areas, from network infrastructure to product development and security research. His career later expanded into independent security consulting and technical leadership in the blockchain and cryptocurrency space. Now, returning to full-time development with Smalltalk, he blends deep security expertise with a passion for building  software. Beyond technology, David is equally drawn to photography, mathematics, Japan, and green tea.

Pablo Alí
Pablo Alí has a background in computer science, electronics, and formal music education at the Conservatory. His career spans from electronic engineering and instrument making to software development. Over the years, he has bridged these worlds by applying programming to areas such as CNC machine control. More recently, Pablo has returned full-time to software, leading projects in Python and now exploring the potential of Smalltalk.

Agustin Martinez

Javier Pimás (Pocho)

Eliot Miranda
Eliot has been a Smalltalk VM implementor and systems programmer (and little else) for 42 years. He was technical lead for VisualWorks where he improved VM performance and did the first 64-bit implementation. At Qwaq he evolved the BTTF Squeak interpreter into the OpenSmalltalk Cog JIT VM taking Croquet from 5 to 30 frames per second. At Cadence he architected the Spur object representation which further improved performance by ≈ 40% and supported implicit forwarding for fast become, 64-bits, and pinning. In the ‘10’s he collaborated with Clément Béra in his PhD on the Sista Speculative Inlining Smalltalk Architecture, an adaptive optimization architecture with similarities to Truffle/Graal. 

Gabriel Omar Cotelli
Bachelor in CS, continuous learner & free-thinker. Supporter of libre knowledge, human intelligence augmentation and open source software. Working in Smalltalk at Mercap since 2004. He's an active member of the Smalltalk development community and regular contributor to open source projects in Buenos Aires Smalltalk and Pharo.

Seth Berman
Seth Berman is President & CEO of Instantiations. He oversees a dedicated team that tirelessly supports and enhances Instantiations' VAST Platform, while he guides expansion into new software/service areas like Fintech, IoT, cloud, and edge computing solutions. Before leading Instantiations, Seth joined the company in 2011 as a software engineer working on projects ranging from advanced code editors and cryptography libraries to FFI enhancements and virtual machine implementations. Previously, he worked for the US government in a variety of domains including stochastic simulation, operations research, grid computing, and link analysis. Seth has a B.S. in Computer Science and an M.S. in Software Engineering.

Juan Vuletich
Juan is the founder and lead developer of Cuis Smalltalk. He is a long standing member of the Open Source Smalltalk community, having contributed kernel code to Cuis, Squeak and the Squeak/OpenSmalltalk VM for 28 years. Juan has been programming since he was 14, and doing it professionally since he was 17. He holds an Ms.Sc. in Computer Science from the University of Buenos Aires. He has made several technical and academic publications, and has been awarded 15 patents, in the fields of Software Development, Signal and Image Processing and design of Optical Systems for Earth Observation.

Esteban A. Maringolo
Esteban A. Maringolo is a senior software developer specializing in analysis, application development, and web architectures. With over two decades of experience working with Smalltalk, his work focuses on improving the extensibility of VAST and bridging the gap between it and other platforms. As a key member of Instantiations's VAST Development and Customer Support teams, Esteban contributes to the ongoing evolution of the platform's core technologies, and he actively participates in the wider Smalltalk community through various contributions.

James Foster
James Foster discovered the local university’s computer center as a junior-high student in 1971 and a life-long obsession with computers began. He was introduced to Smalltalk/V for the Mac in the mid-90s, and became a Smalltalk fan. James teaches undergraduate computer science classes and works for GemTalk Systems. He is a passionate advocate for GemStone and all things Smalltalk.

Joel Esteban Cámera
I'm completing my Computer Science degree with a thesis in Smalltalk focused on refactorings. I'm also currently developing a GUIDesigner in Smalltalk.

Flavio Vecchio

Hector Macaudier
I've been working in Smalltalk and GemStone for over 20 years, specializing in telecommunications. I currently work as an architect, interacting with various technologies (containers, microservices, several object-oriented languages, databases, AI agents, etc.).

Nestor Cubilla
I have been working at Telecom Argentina for 15 years, specifically in the OSS (Operational Support Systems) - Logical Inventories area, where I serve as the technical lead. Our team is responsible for maintaining and evolving the logical inventory of telecommunications networks, which is built on the GemStone object-oriented database.

Jorge Sagasti
Born a programmer, I published my first Mac application in the USA in 1986. After two decades at Apple as Systems Engineer and Mentor leading technical and sales teams, I founded Radar.Media, pioneering geomessaging (a term I coined) and establishing it as the sector leader.

Currently leading the Research & Development department at OpenPass, where I implement AI-based solutions using Model Context Protocol (MCP) and Agent-to-Agent (A2A) architectures to transform fintech infrastructure.

What drives me:

Transforming emerging technologies into solutions that create real impact. I'm passionate about developing talent and building teams that solve complex problems with AI.

🎤 Speaker | Mentor | Innovator

📩 Let's connect to discuss applied AI, fintech, MCP, or technology leadership

Fernando Agüero

Mariano Martinez Peck
Mariano Martinez Peck is a systems engineer specializing in dynamic programming language software. In 2018, he joined Instantiations to further develop the VAST Platform through the addition of new frameworks, libraries and tools, as well as improving the existing code base of VAST. He is active in the Smalltalk development community, and has used his expertise to co-author numerous open source projects. Mariano has a PhD in Computer Science, and his academic research has been published across various international journals. In his personal time, Mariano enjoys traveling as well as outdoor activities like camping and fishing.

Santiago Cardoso
Smalltalk Sr Developer. Tech Lead at OpenPass.

Agustín Lujan

Agustín Rodriguez
I'm Agustin, 29. from Bernal. UNQ student and software developer at Mercap where we work with Smalltalk on a daily basis

Felipe Zak
I have been working with Smalltalk for over 30 years. In industry (for instance, at JPMorgan), also I founded a company that developed a decision engine entirely in Smalltalk. I am currently an active member of a development group.

Nicolás Matías Sarfati
Hi! My name is Nicolás Sarfati and I am a Computer Science student at the University of Buenos Aires, currently in my final semester and working on my thesis. I have 14 years of experience in the software industry, and I currently work as an independent architect, helping companies diagnose and solve performance issues in their applications.

Nicolás Papagna
Nicolás Papagna Maldonado (aka Dr. TDD) is a developer who still believes the real computer revolution lies ahead. Passionate about clean design and tasty tests, he loves exploring and teaching all things OO and TDD. A former Teaching Assistant in Object-Oriented Programming at the University of Buenos Aires, he now happily grows quality software at 10Pines. You can find him sharing ideas on X as @NicolasPapagna.

Matias Demare
I'm Matías Demare, a Computer Science student at Universidad de Buenos Aires. I'm currently working as an intern at INRIA, writing my master's thesis under the supervision of Javier Pimás and Guillermo Polito.

My work focuses on adding control-flow sensitive optimizations to the Druid metacompiler. This project is a source-to-source ahead-of-time metacompiler, intended for generating baseline JIT compilers from a language interpreter