Rhys Leach
HR Business Partner @Mapp
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WORK HISTORY
HR Business Partner @Mapp
London, GB
Oversaw global HR administration and business partnering for a 240-employee SaaS business across 6 countries, ensuring compliance, engagement, and consistent people practices worldwide- Implemented and scaled core systems (Hibob HRIS, Teamtailor ATS), automating processes and enabling real-time reporting, which improved executive decision-making and operational efficiency- Delivered a payroll transformation project that consolidated vendors, standardized processes, and reduced errors, achieving significant cost savings while ensuring compliance across multiple geographies- Ran global talent acquisition across all functions (Tech, Legal, Finance, Customer Success, Admin), reducing time-to-hire and supporting rapid scaling in new and existing markets- Partnered with the CEO, CFO, and SLT on strategic workforce planning, organizational design, and cost optimization, balancing growth with financial sustainability- Led global reduction-in-force (RIF) programs and TUPE transfer during acquisition, mitigating legal and reputational risk while maintaining operational continuity- Produced board- and investor-level workforce reports, influencing funding discussions, M&A integration planning, and long-term growth strategy- Acted as a trusted business partner beyond HR, supporting cross-functional initiatives in finance, legal, and operations to drive organizational performance and scale.
EDUCATION
University of South Wales
Bachelor’s Degree, Business Administration and Management, General
ABOUT RHYS LEACH
I’m a global HR business partner with experience scaling people functions in SaaS and high-growth environments. I partner with CEOs, CFOs, and boards to deliver people strategy, building the infrastructure that allows organisations to scale with confidence.My focus is on building companies fit for the future of work — organisations that combine efficiency with culture, data with empathy, and strategy with delivery. That means implementing systems (HRIS, payroll, ATS) that drive smarter decisions, while navigating complex people challenges such as TUPE, RIFs, M&A, and international compliance.I believe the next decade of HR will be defined by how organisations embrace AI and the future of work — not as a threat, but as a catalyst for more meaningful, human-centred leadership. HR leaders must be both strategic partners and hands-on builders, capable of advising boards on organisational design while rolling up their sleeves to implement lasting change.I’m using LinkedIn to share perspectives on global HR, AI’s role in reshaping work, and what it really takes to build resilient, future-ready organisations.
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