Gustaffson Adolffo Casimiro

Leading the firm’s Tax Technology initiatives focused on the Brazilian Tax Reform. Responsible for designing and scaling data-driven tax solutions that combine legal analysis, tax strategy, and technology to support large corporate clients through regulatory transition, simulation, compliance readiness, and process transformation. Acting at the intersection of consulting, innovation, and software development to deliver end-to-end tax solutions.

As a Tax Technology Partner at Deloitte, I am responsible for co-leading the practice by delivering cutting-edge solutions to our clients. I collaborate closely with business leaders and tax professionals to understand their unique challenges and develop customized technology solutions that optimize tax processes and minimize risks. My role involves working with cross-functional teams to design and implement tax technology solutions, leveraging emerging technologies such as artificial intelligence, robotic process automation, and data analytics. I oversee the entire project lifecycle, from scoping and planning to testing and implementation, ensuring that our solutions are aligned with client goals and objectives. I am also responsible for developing and maintaining client relationships, serving as a trusted advisor on tax technology matters. I regularly share insights and best practices through thought leadership content, presentations, and industry events, to help clients stay ahead of the curve in an ever-evolving tax landscape.

As a Senior Director of Tax Technology at Alvarez & Marsal, my role is to provide strategic solutions to our tax and restructuring practices, helping clients to navigate complex issues and transform their tax functions through technology-enabled solutions. In my capacity as a Senior Director, I work closely with our clients to develop customized tax technology strategies and solutions that meet their unique needs on automation, compliance and financial opportunities. In addition, I co-oversee our tax consulting practice, advising clients on complex tax/restructuring matters regarding mergers, acquisitions, and divestitures, helping them to optimize their positions, minimize risks, and achieve their tax planning objectives. I am also responsible for managing client relationships, serving as a trusted advisor on tax technology related matters.

As the Founder of Phind, a startup providing tax technology services on big data analytics and tax consulting for both tax compliance and identification of tax credits, I am responsible for leading the company's vision and strategy being committed to deliver solutions that help businesses manage their tax obligations more efficiently and effectively. At Phind I lead the development of innovative tax technology solutions (proprietary software) leveraging big data analytics to provide clients with real-time insights and improve their compliance. I also provide tax consulting services to clients, helping them identify tax credits and minimize tax liabilities. The main technology stack I use to perform the development of our solutions include UiPath, PowerBI, Alteryx/Knime, Microsoft Azure Cloud resources (VMs, MS-SQL servers), all backed or complemented by Python and JavaScript programming languages.

- Provision of tax consulting services for large multinational and national companies; - Tax modeling, comprising calculations of the effective tax burden in the various possible scenarios for conducting business in Brazil; - Review of tax calculation systems and ERPs, specially Mastersaf (Thomson Reuters) and SAP; - Creation of tax dashboards based on the data contained on tax returns and or reports, in Tableau and/or PowerBI; - Elaboration of opinions (in English and Portuguese) aiming to leverage the tax efficiency of the client, identifying benefits or improving processes; - Tax impact studies (indirect taxes) for matters related to corporate reorganizations; - Mapping and review of risks, issues and controls regarding the rules contained in the Sarbanes-Oxley Act (SOX); - Mapping of processes and controls of the tax function, aligning them with the best market practices, including the designing of action plans to overcome gaps and points of performance improvement (Tax Performance Advisory); - Auditing of indirect taxes, including the review of ancillary obligations (DACON, SPED, GIA, etc.) and their respective accounting; - Review of customs processes; - Identification and calculation of potential tax exposures and creation of action plans for payment, compensation and/or management of tax liabilities; - Conducting workshops, conference calls and meetings to discuss and present results (in English and Portuguese).

- Corporate due diligence; - Constitution and corporate reorganization in privately held companies; - Analysis and drafting of business contracts; - Monitoring of contractual negotiations; - Analysis and drafting of shareholders' agreements.

- Tax and corporate due diligence; - Administrative litigation on issues related to bidding processes; - Analysis of public notices, participation and organization of documents for governamental bidding processes; - Analysis of administrative contracts, issuing opinions and letters to public bodies; - Acting in judicial litigation regarding administrative contracts.

- Creation of judicial measures in response to tax foreclosures (pre-execution exceptions, manifestations, etc.); - Creation of documents related to tax administrative processes (review of overdue debts, objections, review requests, etc.); - Creation of disputes to labor claims; - Preparation of auxiliary studies and opinions in the labor, tax and business areas; - Constitution, alteration and dissolution of legal entities (individual companies, limited liability companies and associations) in addition to other corporate documents, as well as monitoring their registrations along the competent govenamental bodies; - Regularization of companies before public administration bodies to obtain debt clearance certificates; - Consultancy to clients through meetings, phone calls and email; - Experience with federal taxes, such as: income tax (individuals and companies), CSLL, PIS, COFINS, IPI and social security withholdings; - Experience with municipal taxes (São Paulo), such as: ISS, TFE and ITBI; - Tax planning; - Preparation of minutes and monitoring of meetings of partners or associates; - Jurisprudential research.

As an English teacher at CCAA, my role is to provide instruction and support to students who are learning English as a second language, for both novice and advanced levels. I am responsible for delivering pre-designed lessons that help students develop their listening, speaking, reading, and writing skills in English, based on CCAA's proprietary methodologies. My primary goal is to create a positive and engaging learning environment that fosters students' confidence and motivation to use English in real-life situations.

Final Paper Grade: 10,0

Scholarship holder: Scholarship program "Talento Profissional 2012"

Federal (PROUNI) full scholarship holder Overall course average grade: 9/10 Class representative: 5th to 10th semester. Final Paper Title: "Disregard of legal personality: assumptions of application and effects in the tax scope". Unanimous approval: grade 10/10 Examination of the Brazilian Bar Association (SP) Definitive registration (OAB/São Paulo): 306.028 Approved in the 9th Semester, before course conclusion. Written Bar Exam Score: 9.1/10

50 hours course