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I have over 20 years of professional experience, and my most recent position was as a Blockchain Research Assistant specializing in Web3 analytics and markets at Chain Labs. I hold a Foundation degree in "Blockchain, Cryptocurrencies, and Finance in the Digital Era" from Uninter. I am fluent in English, Spanish, and Brazilian Portuguese (my native language), and I have a basic working knowledge of French. My background spans a range of roles in Customer Service and Personal Assistance, including positions at Teleperformance and Sky Brasil, where I worked as an Operator, Supervisor, and Manager. I also recently contributed to a Brazilian Portuguese voice recording project, expanding my skill set in media and communications. I bring strong business writing abilities and excel in managing complex interactions with challenging individuals. My skills in persuasion, facilitation, networking, and relationship building have been honed throughout my career. I am known for my proactive, adaptable approach, always ready to adjust my workflow and strategies to align with the evolving needs of the organization. I also pride myself on being empathetic, with a strong ability to understand and respect diverse perspectives. I am particularly interested in roles that involve Personal Assistance, Customer Service, voice recording projects, mentoring, translation, follow-up, support, and consultancy. My diverse skill set and adaptability make me well-suited to take on new challenges in these areas.

I’m a top-rated plus UpWork freelancer working in crypto since 2021, focused on research, on-chain analysis, and technical clarity. Most of my work sits where things get confusing: complex transactions, unclear narratives, or technical content that needs to be accurate and understandable. What I do best: - On-chain analysis & investigation - Breaking down transactions, wallet behavior, and technical flows - Crypto research & structured analysis - Turning scattered information into clear, usable insights - Technical content & localization (EN ↔ PT-BR) - Translating and adapting complex crypto concepts with accuracy and context Selected work - Technical clarity & localization Localized and structured a full blockchain intelligence course in PT-BR, ensuring accuracy, consistency, and natural delivery of complex concepts - Structured research & data mapping Built datasets mapping governance processes across major crypto protocols, translating fragmented information into clear frameworks - On-chain analysis & investigation Analyzed smart contracts, transactions, and wallet behavior to understand flows and uncover relevant patterns - Research & narrative development Developed structured research and narratives for crypto investigations and incident breakdowns My edge: I’ve spent years interacting directly with the ecosystem which allows me to understand what’s actually happening! That’s why I’m most useful when: - something is unclear - something needs to be explained properly - or decisions depend on real understanding If you need clarity in a complex crypto problem: → let’s work.

⭐⭐⭐⭐⭐ "Gustavo is extremely diligent, persistent, reliable. Always completes tasks on time and goes beyond in giving suggestions of other ways to do things. Will definitely recommend him." 👩‍💻 📈 🎓 Are you seeking to leverage the potential of data and AI to ensure the success of your project? With over 10 years of experience across a broad range of machine learning, AI, and financial market data, including a PhD in Finance, I'm here to help you achieve your goals. 🎯🏆 📊 Let's achieve your goals together! 🤔Not sure? See how others previous customers fill. 😀 ✔️ Automate Data Wrangling - August 2023 ⭐⭐⭐⭐⭐ "My first experience here has been with Gustavo and it has been nothing short of amazing. He takes the time to understand the problem, comes up with different technical solutions for it and is communicative throughout the process. He provided an end R code that was very descriptive and wrote comments so that I could easily understand it. Not only this but Gustavo went above and beyond to make sure I understand the code by throwing in a live session where he walked me through each line of the code he had written. 10/10, will be asking all my coding questions to him!" ✔️ Exploratory Data Analysis - September 2022 ⭐⭐⭐⭐⭐ "Gustavo is one of the best tutors I ever had! He makes sure you understand and know what to do. He takes his time with you and walks you through everything. I appreciate his hard work!!" ✔️ Debug R Shiny App - July 2022 ⭐⭐⭐⭐⭐ "Excellent methodology and great at debugging. I have a very complicated Rshiny app with multiple parts, models and scripts and he was able to help me to debug the source" ✔️ Quantitative Investment Project - March 2022 ⭐⭐⭐⭐⭐ "Excellent work in a timely manner! Always willing to help to the fullest extent!" ✔️ R Shiny App - November 2021 ⭐⭐⭐⭐⭐ "Gustavo is a great problem solver. He is also very mindful of the clock time. We had a very productive session, which I would highly recommend Gustavo!" ✔️ Review R Code - April 2021 ⭐⭐⭐⭐⭐ "A highly skilled professional. Explains everything in detail, solves all the problems correctly and in a timely manner. The best tutor I had so far!" ✔️ Data Visualization Project - July 2021 ⭐⭐⭐⭐⭐ "Gustavo is extremely diligent, persistent, reliable. has a lot of patience to explain the script and answer any of my questions. Always completes tasks on time and goes beyond in giving suggestions of other ways to do things. Will definitely recommend him."

Economist from Fluminense Federal University, Brazil and Master in Business Administration and Finance from COPPEAD School of Business – Federal University of Rio de Janeiro, Brazil. I’m a CFA charterholder, having passed all three levels in the first attempt. Throughout my 13 years of experience working in the financial area, I have directly engaged in activities related to Corporate Finance and Financial Markets, as Portfolio Management, fundraising through capital markets, defining the optimal capital structure, modeling of the Balance Sheet, Income Statement, and Cash Flow, as well as multi-year budgeting, short and long-term cash flow projections, valuation, and M&A projects (investments and divestments). Education • CFA Institute (Chartered Financial Analyst) CFA charterholder - Completed in February/2025. • Master Degree Business Administration – Focus in Finance, COPPEAD School of Business – Federal University of Rio de Janeiro (March 2014 – August 2016) - concluded. • Bachelor Economics – Fluminense Federal University (March 2008 - December 2011) – concluded. Languages Portuguese: Mother tongue English: Upper Intermediate (B2-C1 Certified by Oxford House College -Toronto – November 2023) Spanish: Basic. Professional Experience Sulamérica S/A (Rede D’or São Luiz since December 2022) – December 2015 – July 2023 (Largest player in the Brazilian Healthcare sector –Hospitals and Insurance Company) Financial Manager (July 2019 – July 2023) As a Financial Manager overseeing teams of 5 to 10 people, I held responsibility for the Investment Portfolio of the largest healthcare company in Brazil (approximately R$ 20 billion). I used to make investment decisions in conjunction with the SulAmerica's Asset Management firm, allocating assets across a diverse range of Equity, Fixed Income, and Multimarket funds and monitoring market risk using VaR, Stress and Loss Stop metrics. I also served as the lead for fundraising through issuances in the Brazilian capital market and bank credit summing up to R$ 3.4 billion. I have always maintained direct contact with the management, regularly submitting materials to the Board of Directors. Additionally, I participated in Investment Committee meetings at SulAmérica S/A, alongside directors and the majority shareholder. After the acquisition of SulAmérica by Rede D'or, I played a direct role in the integration between the companies with a focus on synergies and took on responsibility for the Investment Portfolio of the Rede D'or group. Other responsibilities in this role: • Managing Indebtedness and Company Rating • FP&A of Investment Portfolio • Asset Liability Management (ALM) • Short-term cash management • Fulfill of regulatory needs (Brazilian Regulatory Agency for Private Health Insurance and Plans, Superintendence of Private Insurance of Brazil, Central Bank of Brazil, Securities and Exchange of Brazil) • IFRS 9, IFRS 16 e IFRS 17 (discount rate) • Multi-year budget • Footnotes related to investment portfolio and indebtedness Investment Consultant (March 2018 – July 2019) • Debenture Issuance of R$ 700 million • Relationship with rating companies; • Implement of Capital Plan (capital structure) • Long-term forecast of financial results Senior Financial Analyst (December 2015 – March 2018) • Cash Flow: actual x budget • Short- and Long-Term cash flow forecast • Equity transactions between companies of SulAmérica Group • Analysis of balance sheet, income statement and cash flow statement • Valuation • Cash Flow budget • Support on M&As projects • Implement of minimum cash rules CR2 Empreendimentos Imobiliários S/A – May 2010 – January 2014 (Real Estate Company) Investor Relations and Financial Planning Analyst (May 2010 – May 2012 as an Intern and May 2013 – January 2014 as an Analyst) • Forecast of balance sheet, income statement and cash flow statement • Economic feasibility studies • Earnings Release and footnotes • Managing of American Depositary Receipts • Relationship with shareholders and partners Treasury Analyst (May 2012 – May 2013) • Cash Management • Portfolio allocation • Equity transactions between companies of CR2 Group • Indebtedness management Opção Consultoria – June 2009 – May 2010 – Financial Consultant (Junior Firm of Economics from Universidade Federal Fluminense) Additional Information • English Course: Oxford House College, Toronto (Upper Intermediate); Cultura Inglesa and Corporate English (PROLEM – UFF) – Completed • CPA 20 Certification (Brazilian Association of Financial and Capital Market Entities) • Excel: Advanced • Bloomberg and Quantum Finance: Basic • Hyperion / Smart View / EPM Cloud • Accenture Risk Control • PeopleSoft