Transform Your Therapeutic Breakthroughs into Success

with Innovative and Cost-Effective Preclinical Development Solutions from Snow Leopard Consulting

How We Serve Our Clients

At the heart of our work is a commitment to collaboration, innovation, and delivering measurable results on time. Together, we navigate the complexities of preclinical drug development to efficiently achieve transformative milestones.

Our Value

How We Create Value for Our Clients

Evaluation of Licensing and Acquisition Opportunities
Preclinical Strategy and Regulatory Advocacy
Accelerating Development While Managing Costs
Expertise in Emerging Modalities
Innovative Problem-Solving for Complex Challenges
Thought Leadership and Industry Influence
Delivering Real Business Impact

Our Services

Client Offerings

Due Diligence, Candidate Selection and Predictive Risk Assessment

We conduct due diligence reviews to inform licensing and acquisition decisions. We author target safety reviews and design in vitro and in vivo triaging studies to optimize candidate selection.

Preclinical Program Design

We design integrated resource- and timeline-sparing preclinical programs, including the selection and management of Contract Research Organizations (CROs) through all phases of development.

Study Outlines, Protocols and Report Reviews

We design fit-for-purpose NGLP and GLP-compliant IND-enabling toxicology, safety pharmacology, pharmacokinetic (ADME) and mechanistic studies to enable INDs, NDAs and BLAs.

IND Documentation and Authoring

We author Pharmacology, Secondary Pharmacology, Safety Pharmacology, Toxicology Written Summaries, Integrated Nonclinical Overviews, Investigator Brochures (IBs), NDAs, and BLAs.

IND Filing Strategy

We develop strategies to minimize resources, and the time required for IND filings.

Regulatory Agency Representation

We prepare briefing documents and represent clients during regulatory agency meetings.

Developmental and Reproductive Toxicology

We have deep expertise in Developmental and Reproductive Toxicity Studies and Juvenile Toxicity Studies.

Health Authority Waivers

We author health authority waivers for carcinogenicity and reproductive toxicology studies.

Academic Collaboration Management

We manage and integrate academic collaborations into the drug development process. We help transform nascent ideas into reality by working hand-in-glove with your academic counterparts.

Why Choose Snow Leopard Consulting?

With over 30 years of experience and a proven track record of enabling countless Health Authority Submissions for numerous therapeutic platforms and indications, Snow Leopard Consulting LLC offers unparalleled expertise across therapeutic areas and modalities.

We pride ourselves on transforming therapeutic breakthroughs into success through practical, efficient, cost-effective strategies.

Let’s work together to turn your vision into reality.

About the Founder and Principal

Stan Spence PhD DABT

Stan offers more than 30 years of experience in Preclinical Drug Development across multiple modalities, including small molecules, targeted protein degraders, molecular glue degraders, antibodies, bispecific antibodies, antibody-drug conjugates (ADCs), cytokine muteins, radioligands, oligonucleotides, mRNA therapeutics, and gene therapies. His expertise spans numerous therapeutic areas, including Oncology, Immuno-Oncology, Immunology & Inflammation, Neuroscience, Cardiovascular, Respiratory, and Infectious Diseases.

First and foremost, Stan is a passionate drug hunter and a recognized expert in Toxicology, Pharmacology, Pharmacokinetics, Developmental and Reproductive, and Juvenile Toxicology. He has held key leadership roles, at Merck, Centocor (now the biologics arm of Johnson & Johnson), and Wyeth (now Pfizer), as well as Executive Director of Nonclinical Development at Generate Biomedicines and Novartis and Vice President of Nonclinical Development at Xencor, Praxis Precision Medicines, and C4 Therapeutics.

In these roles, Stan has collaborated extensively with Medicinal Chemistry, Drug Discovery, Clinical Development, Regulatory Affairs, Business Development, and Academic and Industry partners. He has enabled countless Health Authority submissions, de-risked early drug candidates through screening strategies informed by the pharmacological target, the drug platform and mechanistic interrogation of toxicity. We relentlessly try to solve your problems.

Additionally, Stan has deep expertise working with contract research organizations (CROs), conducting due diligence reviews to support licensing and acquisition decisions, co-develop programs with partner companies, and oversight of academic collaborations.

Stan thrives on partnering with program teams and senior leadership to craft comprehensive, integrated, and innovative drug development strategies that are efficient, cost-effective, and scientifically rigorous. As a seasoned drug developer and team leader, he is dedicated to advancing innovative therapies with a focus on practicality, scientific excellence, and strategic execution.

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