Founded in 2011, Portendo Analytics – formerly ArsChitectura - combines machine learning expertise with business strategy, technology and operations experience. Our team is specialist in design & high-performance implementation of large scale data analytics & machine learning platforms. Founded by end-to-end business consultants & mathematicians, Portendo  bridges the full spectrum from top management advisory to project execution, down to implementation of cutting-edge research.

Strategy, Technology,
Operations experience
in Financial institutions
Machine learning
and advanced
mathematical modeling
Cutting edge
experience in
supporting FinTech,
e-commerce and
technology start-up

Portendo Combines

Core Business consulting skills ||| Machine Learning technical skills ||| Solving complex issues in cutting edge start-ups

Leveraging these assets in established players can create substantial value in revenue enhancement, risk management and productivity optimization!


Executive Team

Raphael Geronimi
Chief Scientific Officer
  • M.S. in Maths from French Ecole Polytechnique
  • 10 years contributing to top corporate transformations, incl. 3 years with McKinsey
  • 7 years directing data-oriented programs for Société Générale investment bank:
    • Structured finance deals migration to Basel II
    • Trader fraud detection after Kerviel’s €5Bn rogue trade
    • Global IT transformation program dedicated to data leadership
  • 5 years porting data science innovations from web giants to startup firms

Luis Felipe San Martín
Chief Operating Officer
  • MBA from Harvard Business School and an MPA-ID from Harvard Kennedy School of Government. B.S. in Industrial Engineering from Universidad de Chile
  • More than 9 years of professional experience in retail, consumer goods, government and private equity
  • Past experience: Operations Manager at P&G, Commercial team leader at Walmart, Presidential Delivery Unit Analyst for the Government of Chile, Managing Partner at HCS Capital

Sebastien Lamy de la Chapelle
Senior Data Scientist
  • M.S. in Maths from French Ecole Polytechnique
  • M.S. in Financial Maths from New York University
  • 3 years as quantitative trader for Barclays Capital
  • 5 years exclusively focused on leading data science projects for corporate customer firms

Julien Muresianu
Senior Data Scientist
  • M.S. in Physics from French Ecole Polytechnique
  • M.S. in Statistics from E.N.S.A.E. (top French track in statistics)
  • 3 years as expert auditor in the competitive Societé Générale ’s corps of inspectors, performed models reviews
  • 5 years exclusively focused on leading data science projects for corporate customer firms

Board and Advisors

Alex Horvitz
Board member
  • Over 30 years of experience running businesses and defining and implementing growth and optimization strategies
  • Recently created e-marketing firm Fusion and e-commerce healthcare firm Ancylice (JV with Blue Cross) where he is the Chairman
  • Former Director of strategy, marketing for Allianz Worldwide Partners
  • Former Director at McKinsey & Company specialized in Insurance, Banking and Technology
  • Holds an Engineering and Masters Degree in Industrial and Operations Engineering from the University of Michigan

Torsten Koster
Board member
  • International executive with more than 25 years of experience in technology, retail, consumer goods and commodities.
  • Previous with Boston Consulting Group, Lukoil
  • With Nestlé was CFO of Nestlé Russia, CFO of Nespresso and Nestlé Skin Health, leading M&A transactions and consolidating operations world-wide
  • Currently a Board member with Heritage Bank , Geneva and Sodastream, Tel-Aviv
  • Holds an MBA from Lausanne University and speaks English, French, Dutch and Spanish fluently.

Cecilia Testart
Advisory Board
  • S.M. in Technology and Policy and S.M. in Computer Science from MIT, B.S in Engineering from Ecole Centrale Paris and B.S in Industrial Engineering from Universidad de Chile.
  • PhD candidate at the Advanced Network Group and the Internet Policy Research Initiative at CSAIL, the Computer Science and Artificial Intelligence Lab at MIT.
  • Prior to MIT, she worked for the Chilean office of the French Institute for computer science INRIA and the research lab of the .CL, the Chilean top-level domain.

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Contact Infomation



Miami Location:
1001 Brickell Bay Drive #2730
Miami, FL 33131

France Location:
16 rue Edgar Faure
75015 Paris, France