WHERE REGULATORY LEADERSHIP MEETS SCIENTIFIC INSIGHT
RCSS is an independent regulatory consultancy led by Dr. Nathalie Machluf, a former VP of Regulatory Affairs with extensive experience in global drug development across biological and pharmaceutical products.
RCSS provides executive-level regulatory leadership across CMC, clinical, and submission strategy, supporting biotech and pharmaceutical companies throughout the full product lifecycle — from early clinical development through global registration and post-approval.
Combining scientific depth with strategic regulatory expertise and a pragmatic, solutions-oriented approach, RCSS helps companies navigate complex regulatory pathways, anticipate and mitigate development risks, and advance innovative therapies efficiently and successfully.
ONE GOAL
YOUR SUCCESS
Behind every milestone lies a greater purpose: bringing scientific innovation to patients, offering relief and hope to those for whom treatment options remain limited.
Knowing that the work may ultimately make a meaningful difference in patients' lives gives me a sense of purpose that goes far beyond professional achievement.
Why Choose RCSS?
Regulatory Leadership. Scientific Insight.
Direct Access & Personal Commitment
Clients work directly with Dr. Machluf, ensuring senior-level expertise, personal involvement and continuity throughout each engagement.
Clinical Development Expertise
In-depth knowledge of clinical trial planning and execution, regulatory oversight and operational aspects, with a focus on supporting the generation of robust clinical evidence of safety and efficacy.
Global Regulatory Experience
A strong track record in navigating regulatory requirements and engaging with health authorities across the US, EU, UK, Canada, Israel and international markets.
CMC Expertise & Successful Approvals
Extensive expertise in CMC regulatory strategy and execution, spanning the development and successful registration of a biological product, as well as post-approval regulatory activities and lifecycle management.
Scientific Solutions Beyond Regulatory Affairs
A PhD in Immunology from the Weizmann Institute of Science, with expertise in scientific problem-solving, and investigations of complex scientific challenges.
Strategic Leadership & Practical Insight
Senior global regulatory leadership, combining strategic perspective and sound judgment to balance scientific objectives, regulatory expectations, and business realities.