About us
Our business is to optimize your business
About us
Our business is to optimize your business
About us
Our business is to optimize your business
Our founders
Experts in tech and Mathematical Modeling
Experts in tech and Mathematical Modeling
We combine experience in product development with academic expertise
We combine experience in product development with academic expertise
Miriam Koga
Miriam Koga
Founder & CEO
Founder & CEO
Former founding team at TRACTIAN. Studied materials engineering at the Georgia Institute of Technology. Awarded 46 times in STEM competitions. Gold medalist in the Latin American Astronomy and Astrophysics Olympiad.
Former founding team at TRACTIAN. Studied materials engineering at the Georgia Institute of Technology. Awarded 46 times in STEM competitions. Gold medalist in the Latin American Astronomy and Astrophysics Olympiad.
Marcel Nicolay
Marcel Nicolay
FOUNDER & CTO
FOUNDER & CTO
Co-founder of Malga (YC S21). With 18 years of experience in technology, former CTO of Evino, he led the creation of payment platforms and APIs for companies like iFood and developed open-source projects in Python.
Co-founder of Malga (YC S21). With 18 years of experience in technology, former CTO of Evino, he led the creation of payment platforms and APIs for companies like iFood and developed open-source projects in Python.
RIcardo Leão
RIcardo Leão
FOUNDER & COO
FOUNDER & COO
Expert in project management, data science, artificial intelligence, analytics, and operations research. He led optimization projects at Accenture and Mercado Libre and holds a master's degree in Decision Support Models and Algorithms.
Expert in project management, data science, artificial intelligence, analytics, and operations research. He led optimization projects at Accenture and Mercado Libre and holds a master's degree in Decision Support Models and Algorithms.
Our investors and advisors
Backed by executives, entrepreneurs, and researchers
Backed by executives, entrepreneurs, and researchers
Michael Lehmann
Michael Lehmann
Former Finance Manager at Volkswagen
Former Finance Manager at Volkswagen
Executive with over 35 years of experience, including 11 years as an accounting and tax executive of Volkswagen and senior finance executive at Knorr-Bremse.
Responsible for overseeing multiple industrial investments for Volkswagen in Brazil.
Executive with over 35 years of experience, including 11 years as an accounting and tax executive of Volkswagen and senior finance executive at Knorr-Bremse.
Responsible for overseeing multiple industrial investments for Volkswagen in Brazil.
Ernée Filho
Ernée Filho
Operations research at Mercado Livre and former professor of OR at UNESP
Operations research at Mercado Livre and former professor of OR at UNESP
Over 10 years of teaching experience in engineering and mathematics, PhD in Production Engineering, recognized for developing logistics algorithms at Mercado Livre and industrial tools at Klabin.
Over 10 years of teaching experience in engineering and mathematics, PhD in Production Engineering, recognized for developing logistics algorithms at Mercado Livre and industrial tools at Klabin.
Weber Porto
Weber Porto
Former president at Evonik
Former president at Evonik
Chemical engineer with over 35 years of experience, having presided over Evonik Degussa in Latin America for nearly 20 years. Currently, he serves as a director at ABAG and as a counselor in renowned institutions.
Chemical engineer with over 35 years of experience, having presided over Evonik Degussa in Latin America for nearly 20 years. Currently, he serves as a director at ABAG and as a counselor in renowned institutions.
Moacir Kang
Moacir Kang
Cofounder at Apontador and Maplink
Cofounder at Apontador and Maplink
Entrepreneur with extensive experience in the internet industry, specializing in portfolio management, strategic planning, and corporate finance. Holds a degree in Industrial Engineering from Columbia University.
Entrepreneur with extensive experience in the internet industry, specializing in portfolio management, strategic planning, and corporate finance. Holds a degree in Industrial Engineering from Columbia University.
Daniel Arbix
Daniel Arbix
Legal Director at Google
Legal Director at Google
Legal Director at Google, with a PhD, Master's, and Bachelor's in Law from the University of São Paulo, as well as an LLM (Law, Science & Technology) from Stanford Law School. Has professional experience in renowned law firms and the Ministry of Justice.
Legal Director at Google, with a PhD, Master's, and Bachelor's in Law from the University of São Paulo, as well as an LLM (Law, Science & Technology) from Stanford Law School. Has professional experience in renowned law firms and the Ministry of Justice.
Erick Yamashita
Erick Yamashita
Design Advisor
Design Advisor
Professional with 8 years of experience at Nubank, leading initiatives that took the bank from 0 to 70 million customers. Developed internal systems, products like digital accounts and marketplace, and led strategic vision projects.
Professional with 8 years of experience at Nubank, leading initiatives that took the bank from 0 to 70 million customers. Developed internal systems, products like digital accounts and marketplace, and led strategic vision projects.
Yuna Oh
Yuna Oh
IT Lawyer at SAMSUNG SDS
IT Lawyer at SAMSUNG SDS
Lawyer with extensive experience in Technology and Finance Law, specializing in providing strategic solutions for Asian companies in the global market. Practice encompasses a wide range of services, including strategic planning and overall operational support for international ventures.
Lawyer with extensive experience in Technology and Finance Law, specializing in providing strategic solutions for Asian companies in the global market. Practice encompasses a wide range of services, including strategic planning and overall operational support for international ventures.
Our team
Get to know the members of the harumi team
Get to know the members of the harumi team
Leandro Bandeira
Leandro Bandeira
Computer engineer researcher
Computer engineer researcher
Leandro Bandeira is a Computer Engineering student at the Federal University of Paraíba (UFPB), specializing primarily in Operations Research. He has worked on several scientific research projects at the university. One of his key projects involved helping to create an event organizer for scientific events, aimed at managing internal UFPB projects. His main programming languages are C, C++, and Python.
Leandro Bandeira is a Computer Engineering student at the Federal University of Paraíba (UFPB), specializing primarily in Operations Research. He has worked on several scientific research projects at the university. One of his key projects involved helping to create an event organizer for scientific events, aimed at managing internal UFPB projects. His main programming languages are C, C++, and Python.
Lys kang
Lys kang
AI Engineer
AI Engineer
Lys holds a Bachelor of Science degree from Swarthmore College and is currently pursuing a Master's degree in Applied Computing at USP. With an entrepreneurial background as co-founder of Alby Study, she now works as an AI engineer, applying her advanced knowledge in artificial intelligence to develop innovative and high-impact solutions.
Lys holds a Bachelor of Science degree from Swarthmore College and is currently pursuing a Master's degree in Applied Computing at USP. With an entrepreneurial background as co-founder of Alby Study, she now works as an AI engineer, applying her advanced knowledge in artificial intelligence to develop innovative and high-impact solutions.
Rafael chuluc
Rafael chuluc
Senior Software Engineer
Senior Software Engineer
Rafael Chuluc holds a degree in Electrical Engineering and a postgraduate degree in Software Engineering from PUC. He has solid experience as a senior software engineer, having worked at companies such as Nomad and BossaBox. Passionate about technology and a keen enthusiast of emerging industry trends, he excels as a Fullstack JavaScript developer, combining advanced technical skills with an innovative vision to create efficient and scalable solutions.
Rafael Chuluc holds a degree in Electrical Engineering and a postgraduate degree in Software Engineering from PUC. He has solid experience as a senior software engineer, having worked at companies such as Nomad and BossaBox. Passionate about technology and a keen enthusiast of emerging industry trends, he excels as a Fullstack JavaScript developer, combining advanced technical skills with an innovative vision to create efficient and scalable solutions.
Matheus Monteiro
Matheus Monteiro
Lead Product Designer
Lead Product Designer
Matheus Monteiro holds a degree in Graphic Design and is also Lead Product Designer at Noodle.cx. With solid experience as a front-end developer at companies like Editora Abril and Red Ventures, he combines his strong programming background with expertise in UI/UX design. Passionate about technology and a digital product enthusiast, Matheus excels in creating visual and functional solutions that blend innovation with high-quality user experiences.
Matheus Monteiro holds a degree in Graphic Design and is also Lead Product Designer at Noodle.cx. With solid experience as a front-end developer at companies like Editora Abril and Red Ventures, he combines his strong programming background with expertise in UI/UX design. Passionate about technology and a digital product enthusiast, Matheus excels in creating visual and functional solutions that blend innovation with high-quality user experiences.
andre koga
andre koga
Full Stack Engineer
Full Stack Engineer
André Koga is a Computer Science student at the Georgia Institute of Technology, specializing in front-end development, artificial intelligence, and project management. A startup and innovation enthusiast, he has experience leading teams with agile methodologies, developing machine learning models, and driving innovative projects, such as creating a collaborative app for Spotify. André applies his technical skills in Python, JavaScript, React, and Svelte to build scalable and high-impact solutions.
André Koga is a Computer Science student at the Georgia Institute of Technology, specializing in front-end development, artificial intelligence, and project management. A startup and innovation enthusiast, he has experience leading teams with agile methodologies, developing machine learning models, and driving innovative projects, such as creating a collaborative app for Spotify. André applies his technical skills in Python, JavaScript, React, and Svelte to build scalable and high-impact solutions.
Lucas santos
Lucas santos
Financial and Marketing Analyst
Financial and Marketing Analyst
Lucas Santos is an economist with a degree from the Federal University of Pará, with experience as a financial analyst at companies like Voidr. A specialist in financial forecasting, results analysis, report preparation, and cash management, he combines technical and analytical skills to enhance corporate financial efficiency. Proficient in tools such as Python, SQL, R, Microsoft Office Suite, and MATLAB, he leverages his expertise in data analysis to drive strategic decision-making.
Lucas Santos is an economist with a degree from the Federal University of Pará, with experience as a financial analyst at companies like Voidr. A specialist in financial forecasting, results analysis, report preparation, and cash management, he combines technical and analytical skills to enhance corporate financial efficiency. Proficient in tools such as Python, SQL, R, Microsoft Office Suite, and MATLAB, he leverages his expertise in data analysis to drive strategic decision-making.
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