Dr. Racheal A.
I’m a PhD-trained translational scientist with 6+ years of experience in immuno-oncology, gene therapy, and rare disease research. I specialize...
GOULED S.
I hold a Master’s degree in Cancer Biology and Pharmacology from İstinye University (Istanbul, Turkey), with hands-on experience in experimenta...
Dr. K J.
I’m Dr. K. Jebastin, a Ph.D.-qualified pharmaceutical research scientist with core expertise in scientific and regulatory writing, academic pub...
Dr. Vamshi Krishna R.
I am a Pharmaceutical R&D Scientist (PhD in Pharmaceutics, BITS Pilani) with expertise in the development of injectable and peptide formula...
Dr. Sean O.
I am a biotech executive and Ph.D. scientist with over 20 years of experience in...oncology drug development, translational R&D, and strategic leadership across early-stage startups and publicly...
Dr. Harriet K.
Regulatory writing and submissions • Regulatory Intelligence and Strategy Development • Toxicology Study Monitoring • Due Diligence and Gap Ana...
Alecsanndra G.
I am a Biological Engineer (BS & MS, Mapúa University) and currently serve as a Science Research Specialist II at the Philippine Texti...
Fathia S.
I am a PhD in Biology specialized in animal physiology and musculoskeletal research. My expertise includes in vivo experimental models, histolo...
Ahmed Y.
I am a PhD researcher in Medical Microbiology with a Master's degree and three peer-reviewed publications in antimicrobial resistance and i...
Dr. Neelofar K.
I am Dr. Km Neelofar, a PhD in Molecular Endocrinology (Aligarh Muslim University, 2016) with over a decade of research experience in biotechno...
Aditi S.
I am a PhD in Pharmacology and currently serving as an Associate Professor with over ten years of experience in teaching and research. My exper...
Kolabtree is the leading online freelance marketplace for In vivo Preclinical Toxicology experts. Post your project, get bids, and hire qualified experts quickly and easily.

We take several measures to help you work with full confidence and peace of mind.
Keep your project private
Restrict who can see your project and send you proposals. Invite only specific freelancers to view your project.
NDAs and IP protection
Our T&C include a default confidentiality clause that protects your IP and NDA for added protection before disclosing project details.
Kolabtree ensures safety and security of your payments and personal information and project details. Kolabtree’s T&C includes a default confidentiality and NDA clause.
You will receive detailed proposals directly from Kolabtree. These proposals will include a comprehensive Statement of Work (SOW), project fees, milestones, and deadlines.
You can choose to pay either a fixed or an hourly fee based on your scope of work. Pre-pay for the next milestone. You have to approve the deliverables only if the quality meets your expectations. If you arn’t happy, we’ll refund your money.
Kolabtree will share multiple quotations for your project. You have the freedom to accept the quote that aligns with your project requirement and budget. You can get in touch with us in case you want to discuss the fee.
Our T&C include a default confidentiality clause that protects your IP and NDA for added protection.
Contact experts directly
Speak directly with freelancers and explain your requirements.
100% satisfaction guaranteed
You have to approve the deliverables only if quality meets your expectations. If you arn’t happy, we’ll refund your money.
Project Management
Keep track of files and conversations in the user-friendly Workspace.
Flexible, secure payments
You can choose to pay either a fixed or an hourly fee based on your requirement.
Post your Project (Free)
Your project details are safe, secure and visible only to logged-in users.
Get Quotes & Choose Experts
Discuss your requirements in detail with the experts before accepting the final statement of work from Kolabtree.
Collaborate
Pre-pay for your project and work with the expert to get your desired output. Keep track of files and conversations in the user-friendly Workspace.
Job Done!
Approve the deliverables once you're satisfied with the job done.