Selected leadership impact

Contributions, in context.

These examples separate business context from the work Lesha led or contributed. Outcomes are included where the supplied brief documents them; no additional results are inferred.

MongoDB

Scaling a global HRBP organization

Business context: MongoDB expanded from 2,000 to 8,000 employees and $2B+ ARR during this period.
Leadership challenge: Build HRBP capacity and strategic capability as a global technology organization scaled.
Documented contribution: Led HRBP strategy, built a global team of 30 HRBPs, scaled capability frameworks, advised C-suite leaders, and led Engineering and Product reorganizations.
Verified outcome: The company grew to 8,000 employees and $2B+ ARR; these are company-scale outcomes, not attributed solely to HRBP work.

dbt Labs

Creating executive clarity through change

Business context: Following the merger, founders and functional executives needed alignment across leadership roles and the combined organization.
Leadership challenge: Clarify role ownership, decision rights, and how executive responsibilities fit together.
Documented contribution: Partners with the dbt Labs executive team on role clarity, decision rights, ownership, and alignment between founders and functional executives.
Verified outcome: The provided brief documents the leadership work but does not state a separately measured outcome.

Fivetran + dbt Labs, NICE CXone, and AT&T

People leadership through M&A integration

Business context: The brief describes a merger involving Fivetran and dbt Labs, a post-acquisition integration at NICE CXone, and two regional acquisitions at AT&T.
Leadership challenge: Bring People-side diligence, integration, and culture alignment into organizational change.
Documented contribution: Leads People-side M&A due diligence and integration following the Fivetran/dbt Labs merger; supported post-acquisition integration and culture alignment at NICE CXone; led People-side integration for two regional AT&T acquisitions.
Verified outcome: Specific post-integration performance results were not supplied, so none are asserted here.

Microsoft

Coordinating a global restructuring

Business context: A major restructuring affected 7,000 employees globally.
Leadership challenge: Coordinate People work for a large, geographically distributed change.
Documented contribution: Coordinated the major restructuring and strengthened HR partnerships with senior engineering leaders.
Verified outcome: The documented scope was 7,000 affected employees; no additional result is stated.

AT&T

Resetting leadership and performance expectations

Business context: A multi-state sales organization was described as low-performing.
Leadership challenge: Reset culture and accountability with a newly appointed executive.
Documented contribution: Partnered with the executive on the culture and accountability reset and introduced leadership competencies within a metrics-driven performance culture.
Verified outcome: Within 12 months, the organization moved to top-performing nationally; the leadership work was later adopted company-wide.

Lesha Reese Global

Fractional executive advisory

Business context: More than 20 Series C, Series D, and pre-IPO companies sought senior People leadership and advice.
Leadership challenge: Provide practical People infrastructure and executive counsel during growth and organizational change.
Documented contribution: Advised leaders on organizational design, effectiveness, communication, and cross-functional influence; in one 18-month pre-IPO fintech engagement, served as interim CHRO and led a 30-person global People team.
Verified outcome: The brief documents the scope of advisory work and interim leadership; no aggregate financial outcome is stated.

Company growth and organizational outcomes are presented as context unless the source brief explicitly attributes a result to Lesha’s documented contribution.

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