Arthur Diniz

Conselheiro/ Mentor de CEOs , Fundadores e Líderes | Cultura, Liderança e Performance Sustentável | Arquitetura de Contexto para Construir Culturas que Duram e Escalam Negócios que Geram Legado

São Paulo, São Paulo, Brazil

About

Arthur Diniz é uma das principais referências em cultura organizacional e desenvolvimento de liderança no Brasil — e um dos poucos profissionais que conectam, na prática, estratégia, comportamento humano e performance de negócio. Fundador da Crescimentum, liderou a construção de uma das empresas mais relevantes do país em desenvolvimento de líderes, impactando milhares de executivos e organizações, até sua venda para o grupo global Cegos. Com passagem pelo alto escalão de instituições como Unibanco, Deutsche Bank e Santander, Arthur combina visão corporativa, experiência empreendedora e profundidade em comportamento humano — algo raro no mercado. Hoje atua como advisor, investidor e keynote speaker, apoiando empresas a reduzirem a dependência de fundadores, fortalecerem sua cultura e elevarem o nível da liderança para sustentar crescimento real. Recentemente, aprofundou sua atuação em inteligência artificial aplicada à liderança ao participar do programa “AI for Leaders” no Oxford Management Centre, integrando o que há de mais avançado em tecnologia com sua sólida base em cultura e liderança. Sua tese é direta e desconfortável: a tecnologia não transforma empresas — ela amplifica o nível de consciência de quem lidera.

Experience

  • Advisor e Mentor de PMEs at Leme 120
    Mar 2026 - Present · 5 mos

    Masterclass de Cultura e Liderança e Mentoria de PMEs

  • Keynote Speaker, Culture Advisor, SME Mentor, Leadership Advisor, Founder & former CEO at Self-employed
    Sep 2024 - Present · 1 yr 11 mos

    Keynote Speaking: With a rich background in speaking at international conferences and corporate events, I specialize in delivering engaging and thought-provoking keynotes. My areas of expertise include leadership development, organizational culture, and personal growth. My speaking style is known for its dynamic blend of insight, inspiration, and practicality, making complex concepts accessible and actionable. Mentorship: As a mentor, I leverage my extensive experience in leadership and organizational development to guide leaders and entrepreneurs. My approach is tailored, focusing on individual strengths and challenges, and is aimed at fostering sustainable personal and professional growth. Accomplishments: Successfully led Crescimentum to become a renowned leader in leadership training. Speaker at ATD, SHRM, CBTD (Top 5), RD (top 15) and meny others. Looking Forward: As I embark on this new chapter, I am excited to connect with organizations and individuals seeking to transform their leadership landscape. Whether through keynote speeches, workshops, or one-on-one mentorship, my goal remains the same: to inspire change and cultivate leaders who make a difference.

  • Member at BR Angels
    Aug 2024 - Present · 2 yrs

    BR Angels is an Angel Investor Group composed of 200+ CEOs and Business Owners, which invest not only money but also intelligence to promising startups

  • Board Advisor at Agência Tagawa
    Oct 2025 - Present · 10 mos

  • Crescimentum (São Paulo, Brasil · Hybrid)
    • Leadership Keynote Speaker, Advisor and Mentor
      Jan 2024 - Aug 2024 · 8 mos

      Mentorship: As a mentor, I leverage my extensive experience in leadership and organizational development to guide Crescimentum leaders . Keynote Speaking: With a rich background in speaking at international conferences and corporate events, I specialize in delivering engaging and thought-provoking keynotes. My areas of expertise include leadership development, organizational culture, and personal growth. My speaking style is known for its dynamic blend of insight, inspiration, and practicality, making complex concepts accessible and actionable.

    • CEO
      May 2003 - Jan 2024 · 20 yrs 9 mos