Ester Martins

Senior HR Business Partner | HR Manager | Career Mentor

Dallas-Fort Worth Metroplex

About

Global HR professional with 17+ years of experience in all HR subareas, focus on the Americas region - over 20 countries (Strategic and Operational HR). Strong leadership experience (local and remote), including coaching, training, development, performance and workload control according to business needs. Led and handled HR and business projects, in order to improve operational performance, processes alignment, HR policies creation/validation, financial risk assessment and cost transformation, ensuring the confidentiality of the whole process. Daily meetings with internal and external customers, stakeholders and the HR team, including international exposure via phone, video conference and face-to-face meetings. Employee Services HR Outsourcing / HR Shared Services Leader, team management and customer relationship to ensure KPIs. Experience in merge and acquisition, HR change management and driving projects for massive employee change. Master Coach certified by International Association of Coaching (IAC) and Neuro Linguistic Programming certified by Latin American Coaching Society (SLAC).

Experience

  • Global People Business Partner at Semperis
    Feb 2026 - Present · 6 mos

  • International Career Mentor at W.A.R. International Career
    Feb 2022 - Present · 4 yrs 6 mos

    Mentoring non-native English-speaking professionals to strengthen their international business skills, including effective communication, networking, and personal branding, to advance their careers for opportunities abroad.

  • BT (14 yrs 4 mos)
    • HR Business Partner US & Canada
      Oct 2018 - Jan 2026 · 7 yrs 4 mos

    • HR Business Partner Latin America
      Oct 2011 - Oct 2018 · 7 yrs 1 mo

  • Book Author | Coach at Hackone
    Nov 2023 - Aug 2024 · 10 mos

    Co-author of the book *TPM - Tech para Mulheres*. Group coaching facilitator. Podcast.

  • Career Mentor | Business Trainer at Hackone
    May 2021 - Jun 2022 · 1 yr 2 mos

    Group mentoring facilitator. Instructor of 15+ online classes on soft skills.