President & Group Executive Chairman
Nehme Gerges Melhem
Founder of the Melhem ecosystemVisionary force uniting scientific ambition with humanitarian purpose across pharmaceuticals, research, and global health.
Scientists, clinicians, and operators — building what comes next.
Our leadership team brings together pharmaceutical science, clinical practice, and operational discipline — united by a shared commitment to ethical innovation and measurable global impact.
Executive team
Meet the people leading our work.
Associate President
Chris Armache
Strategy & Corporate DevelopmentArchitects the company's strategic direction and corporate growth — translating long-term vision into reliable execution.
Chief Executive Officer
Kabas Abou Jahjah
PharmD, MSPharmacist-scientist leading clinical innovation and pharmacogenomic strategy — driving the company's translational vision.
Vice President of Business & Strategy
Mahesh Tawney
PharmDDrives business growth and strategic operations across the enterprise — leading partnerships, market expansion, and the systems that translate strategy into execution.
Full biographies
Backgrounds, expertise, and contributions.
President & Group Executive Chairman
Nehme Gerges Melhem
Founder of the Melhem Pharmaceuticals ecosystem
As President and Group Executive Chairman, Nehme Gerges Melhem sets the strategic vision for Melhem Pharmaceuticals and the broader Melhem ecosystem of scientific, healthcare, and humanitarian organizations.
His leadership is defined by a long-horizon view of pharmaceutical innovation — one that unites scientific ambition with humanitarian purpose. He champions cross-disciplinary collaboration spanning pharmaceuticals, scientific research, AI-enabled healthcare, and global access programs, ensuring the enterprise advances science without losing sight of the communities it serves.
Under his stewardship, the organization has built partnerships across universities, hospitals, research institutions, and humanitarian missions on multiple continents — and continues to expand its role in shaping the next era of ethical, evidence-based medicine.
Associate President
Chris Armache
Strategy & Corporate Development
As Associate President, Chris Armache leads the company's strategic direction, corporate development, and cross-functional execution — working closely with the President & Chairman to translate long-term vision into measurable results.
His portfolio spans organizational design, partnership development, and the operational systems that allow Melhem Pharmaceuticals to scale responsibly. He brings disciplined execution to a research-driven enterprise: ensuring that scientific ambition is matched by infrastructure, governance, and the rigor required to deliver at scale.
Chris is a key voice in shaping the company's expansion across therapeutic areas, geographic footprints, and digital health initiatives — and in cultivating the institutional partnerships that compound the enterprise's impact over time.
Chief Executive Officer
Kabas Abou Jahjah, PharmD, MS
Clinical Innovation & Pharmacogenomic Strategy
As Chief Executive Officer, Kabas Abou Jahjah leads Melhem Pharmaceuticals across its clinical, scientific, and strategic functions — setting the direction for programs that move research from the bench to clinical and community impact.
A pharmacist-scientist by training, Kabas drives the company's translational vision: from molecular insight to population-level health outcomes. Her expertise spans pharmacogenomics, precision medicine, AI-enabled clinical decision support, and the design of medication-access programs for underserved communities.
Kabas is the lead author of the company's January 2026 endorsement to the Lebanese Embassy in Washington, DC — advocating for a unified national digital health system grounded in peer-reviewed evidence and the urgent reality of chronic-disease burden in Lebanon.
Vice President of Business & Strategy
Mahesh Tawney
PharmD · Business & Strategic Operations
As Vice President of Business & Strategy, Mahesh Tawney leads the company's business development, strategic planning, and growth initiatives — a key voice in shaping Melhem Pharmaceuticals' long-horizon direction.
His work focuses on the partnerships, commercial strategy, and operational systems that turn ambition into delivery: building relationships with academic medical centers, research institutions, and healthcare ministries, and structuring the programs through which those partnerships create durable value for patients and communities.
Mahesh contributes to the company's strategic planning and ensures that scientific programs, clinical initiatives, and humanitarian commitments operate as a coherent, well-resourced whole — aligned with the organization's mission and growth trajectory.
Leadership principles
How our team makes decisions.
01
Evidence Over Opinion
Strategic decisions are tested against the best available science and real-world data.
02
Patient at the Center
Patient dignity and outcomes anchor every program, partnership, and product decision.
03
Long-Horizon Capital
We invest in research, infrastructure, and people on decade-length timescales — not quarterly ones.
04
Honest Disagreement
We cultivate a culture where the best argument wins, regardless of seniority or title.