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“Impossible is just an opinion.” – 

Paulo Coelho


"The ridiculous to the sublime is but a step"

Mutual Respect and Support

For all the talk above about our view of you as a team member, it's important to know that more than anything we believe that whatever your contribution to Expansion, it falls flat if any fail to respect or support fellow team members.  We do not support discrimination of any sort, either during the hiring process or post hire on the basis of race, ethnicity, gender type, beliefs,.. hair style, sock wearing preferences;  It's a long list.  We seek to thrive in and through diversity and are dedicated to maintaining genuine attitudes of respect while doing our best to support and honor your uniqueness.


 – And while we're on it; 



We'd be remiss to mention what underlies the integrity of our work; Being accountable to one another in order to keep the integrity of our work at its highest.  We will go out of our way to ensure our goals stay in alignment with the values of Expansion Therapeutics mentioned above.   

The Silent, (absent) "I" in Team

Bring yourself to this professional outing.  "There is no "I" in Team" does resonate with appropriate equanimity  but we can't abide its limits.  If you're hired to be a part of this endeavor to cure major CNS diseases we'll need you to bring everything you have.  Stand up, say it, do it; and we'll be sure to support you in your vision same as you have come to support ours.   

Culture of Curiosity

If curios is not a state of being, we may not know what else it is.  So whatever else you may encounter as a part of the Expansion Therapeutics team, you can be sure to be both inspired and encouraged to give your curiosity a front-row seat.  Above all be sure not to keep it to yourself.  If you reverse Napoleon's logic, you'll have what we're after here:  

Read our Equal Opportunity statement  

Believe in Yourself

Scientist, ALS



  • Develop, optimize, and perform assays to measure small molecule efficacy at RNA, protein, and functional levels in vitro and in vivo

  • Design and execute assays utilizing in vitro models (primary cells, IPSCs) to support preclinical systems, enable target identification, and assay development.

  • Analyze and document experimental data generated and ensure timely documentation in electronic laboratory notebooks and internal technical reports.

  • Present data and strategy to scientists and management in appropriate internal and external venues (technical meetings, project team meetings, etc.) as appropriate.


  • PhD with a minimum 0 - 2 years’ experience in in biology, chemical biology, or biochemistry or a related field. Prior experience with RNA or neuroscience preferred but not required.

  • Hands-on experience with mammalian cell culture, prior experience with primary and patient-derived cells is a plus

  • Extensive experience with an array of molecular and cell biology methods, including RNA splicing isoform analysis (RT-PCR, RT-qPCR) of cells and tissues, RNA-FISH of cells and tissues, and genotyping of tissues.

  • Excellent oral and written communication, interpersonal, and presentation skills


  • A goal-oriented team player who is self-motivated and has a strong desire to create new and useful tools for molecular biology.

  • Excellent written and oral communication skills.

  • Ability to work independently and collaborate in a multi-disciplinary environment.

  • Critical thinker with a demonstrated ability to effectively collaborate across teams and functional areas.

  • Success-oriented individual with relentless drive towards company and team goals and timelines.

  • Contribute to our company culture, sense of team and collaborative spirit.

  • Must be legally authorized to work in the United States.

Expansion Therapeutics is seeking a highly motivated Scientist to join our discovery research team and contribute to the development of new innovative therapies for patients with serious RNA-mediated diseases. The ideal candidate will have a background in biology, chemical biology, or biochemistry or related field. This position will work closely with discovery program teams to evaluate and advance candidates and execute on key experiments to better understand and optimize RNA-targeting small molecules. This is a direct laboratory position based in our Jupiter, Florida research site.

*Title will be commensurate with experience.

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Boston, MA


Jupiter, FL