Cesar Hernandez

Cesar Hernandez

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Director, Data & Analytics | Applied AI, Decision Intelligence & Platform Leadership
Waltham, Massachusetts, United States

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Résumé


Jobs verified_user 0% verified
  • Lennar
    Director, Data & Analytics
    Lennar
    Dec 2025 - Current (9 months)
  • Lennar
    Sr Manager, Data Science
    Lennar
    Nov 2024 - Jan 2026 (1 year 3 months)
  • Lennar
    Manager, Data Science
    Lennar
    Dec 2023 - Nov 2024 (1 year)
  • Lennar
    Sr Data Scientist
    Lennar
    Mar 2022 - Dec 2023 (1 year 10 months)
  • Patagonia
    Senior Data Engineer
    Patagonia
    Aug 2021 - Mar 2022 (8 months)
  • Tripadvisor
    Analytics Engineer, Principal (ML Team)
    Tripadvisor
    Sep 2017 - Aug 2021 (4 years)
    For everything below, I was either unique contributor to the project or main tech lead of the project. Was hired as lead and only analyst for the Hotels B2B Team with main focus in Ads Product. As lead analyst: • Created main data sources to understand and optimize the business • Adopted new tooling to enable effective and efficient consumption for all generated data • Created daily reporting system with proper SLAs to monitor the business • Worked cross-functionally with engineering, product, marketers Over time, my role has evolved and morphed to have greater scope and more analysts have joined the team which I have mentored / taught what I know. More recently: • Created hotels features through database daily aggregation to build mode
  • VistaPrint
    Analytics Manager, Data Science
    VistaPrint
    Oct 2016 - Sep 2017 (1 year)
    • Responsible for improving (model and technology) of Vistaprint main Recommendation Systems for site. • Research new methods and technologies that could be used to improve Vistaprint state of the art ML technologies. • Work across multiple functions to move forward and deliver on key Data Science projects. • Prioritizing work and connecting dots on multiple DS projects to create efficiencies. Regular used tools: Python, R, Spark, Hadoop, Hive, Tableau, AWS
  • VistaPrint
    Analytics Manager, Customer Analytics
    VistaPrint
    Jan 2015 - Oct 2016 (1 year 10 months)
    • Created and managed streamline process for testing Marketing ideas that expands across all Vistaprint markets - globally • Created and reported insights of strategic segmentation to the business • Main contributor to Testing tool for analytics that expands across channels and locations • Managed a small team to deliver insights and results on key strategic initiatives • Used and piloted advance analytics tool Regular used tools: Tableau, R, Python, SQL, Hadoop, Hive, Microsoft tools
  • VistaPrint
    Sr. Analyst (CRM Analytics)
    VistaPrint
    Nov 2013 - Jan 2015 (1 year 3 months)
  • Deloitte
    Analytics Associate
    Deloitte
    Jul 2012 - Nov 2013 (1 year 5 months)
    Assist clients and analyze their large and disparate data to support or refute the facts and allegations of commercial investigations and complex litigation.
  • C Analytics LLC
    Data Analyst Intern
    C Analytics LLC
    May 2011 - Aug 2011 (4 months)
    • Managed Google Analytics & Google AdWords accounts for different clients to achieve higher ROI on their e-marketing efforts. • Developed and implemented statistical test base on raw data from Google Analytics which resulted on informed business decisions. • Created rules that allowed C-4 Analytics to simplify and optimize their client accounts. • Created and presented weekly reports to senior management and clients representatives using Acquisio.
  • M
    Researcher
    Mechanical Conversion Laboratory
    Sep 2007 - Jul 2008 (11 months)
    Thesis: Developed new software "Turbo X" to design Francis Turbine.
  • E
    Development Director
    Entec CA
    May 2007 - Sep 2009 (2 years 5 months)
    National Retailer Forklift Company with total assets of $4 million • Identified and resolved critical problems in every department by understanding different processes and centralizing communications between multiple departments which resulted in a 22% reduction in order fulfillment time. • Implemented a Data Management System to bridge all departments. Major documentation was collected and processes flowed smoothly. • Developed and designed a new website by creating an informational database of current products and employing a graphic designer; incremented E-mail quotes by 72% by managing a Google Adwords campaign. • Created a new system to fix products quickly for maintenance or warranty; customer satisfaction increased by 12%. Sales Rep
  • R
    Import Assistant
    Reinex CA
    Jul 2005 - Jun 2006 (1 year)
    Import Company with revenues of $4.5 Million and percentile grow of 12% per year • Imported goods for small and medium industries. • Learned processes of international trade.
Education verified_user 0% verified
  • Bentley College  Elkin B McCallum Graduate School of Business
    MBA / MSIT, Business Analytics
    Bentley College Elkin B McCallum Graduate School of Business
    Jan 2010 - Dec 2012 (3 years)
  • Universidad Simón Bolívar
    Mechanical Engineer, Engineering
    Universidad Simón Bolívar
    Jan 2003 - Dec 2008 (6 years)
Projects (professional or personal) verified_user 0% verified
  • T
    Tufts Medical Center - Business Process Management
    Sep 2010 - May 2011 (9 months)
    • Studied, documented and modeled the recruiting process from end to end. • Studied hiring practices as well as legal requirements in the medical industry and other industries to determine best practices. • Prepared solutions for long cycle times for filling positions and large costs associated with recruiting. • Made recommendations that decrease cycle time and cost for hiring a candidate, and improve the methods to attract new talent and facilitate employee referral program.
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