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Joseph Siegel Email & Phone Number

Principal Scientist at Praxis Precision Medicines, Inc.
Location: St Louis, Missouri, United States 12 work roles 2 schools
1 work email found @praxismedicines.com 2 phones found area 314 LinkedIn matched
✓ Verified July 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email · 2 phones

Work email j****@praxismedicines.com
Direct phone (314) ***-****
LinkedIn Profile matched
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Role
Principal Scientist
Location
St Louis, Missouri, United States

Who is Joseph Siegel? Overview

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Quick answer

Joseph Siegel is listed as Principal Scientist at Praxis Precision Medicines, Inc., based in St Louis, Missouri, United States. AeroLeads shows a work email signal at praxismedicines.com, phone signal with area code 314, and a matched LinkedIn profile for Joseph Siegel.

Joseph Siegel previously worked as Associate Principal Scientist at Praxis Precision Medicines, Inc. and Staff Analytical Chemist at Mallinckrodt Pharmaceuticals. Joseph Siegel holds Doctor Of Philosophy (Phd), Analytical Chemistry from The University Of Kansas.

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Email format at Praxis Precision Medicines, Inc.

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{first_initial}{last}@praxismedicines.com
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AeroLeads found 1 current-domain work email signal for Joseph Siegel. Compare company email patterns before reaching out.

Profile bio

About Joseph Siegel

Joseph Siegel is a Principal Scientist at Praxis Precision Medicines, Inc.. He possess expertise in research, chemistry, analytical chemistry, laboratory, science and 10 more skills. Colleagues describe him as "Joe was exceptionally self motivated as an undergraduate. Without invitation, he sought out the opportunity to work in our research group. We gave him the opportunity to research with us, and he demonstrated excellent competency in general lab skills, and the ability to quickly learn new skills in research he had never been exposed to before. At the end of the summer, we had a very significant start on a project which we had never attempted before. Joe was very valuable to our group. I'd welcome the opportunity to further recommend Joe; please contact me through LinkedIn or through Joe directly! -steve"

Listed skills include Research, Chemistry, Analytical Chemistry, Laboratory, and 11 others.

Current workplace

Joseph Siegel's current company

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Praxis Precision Medicines, Inc.
Praxis Precision Medicines, Inc.
Principal Scientist
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12 roles

Joseph Siegel work experience

A career timeline built from the work history available for this profile.

Staff Analytical Chemist

Dublin, Ireland, Ie

• Develop assay and related substances, cleanout, dissolution, and water content methods for drug substances• Design, execute, and author reports for liquid chromatography and gas chromatography method validations• Support API synthesis development by monitoring reaction progression with chromatography and mass spectrometry• Participate in the due diligence of potential partnerships as the drug substance analytical representative by reviewing all analytical information pertaining to the drug substance and contributing to the authoring of the technical section of the due diligence risk assessment• Assist with root determinations for Out-of-Specification investigations• Author templates for validated methods, validation protocols, and validation reports• Perform recertification testing for reference standards

Oct 2020 - Mar 2022

Associate Principal Scientist

Rahway, New Jersey, Us

May 2020 - Oct 2020

Senior Scientist

Rahway, New Jersey, Us

• Serve as analytical lead for a variety of unique and novel dosage forms• Supervise and mentor interns and contractors• Drive the development of pharmaceutical products through collaboration at a team and function level with the key deliverables: • Designed and executed the transfer of methods to a commercial site for release testing • Led the development of a guidance document that covered extractable and leachable studies during product development • Designed and led the investigation into biorelevant dissolution applications • Implemented a guidance for electronic lab notebooks for compliant documentation• Design and execute stability studies for prototype development, clinical stability, and registration stability batches• Author scientific technical reports and guidances to effectively document and communicate analytical results as well as improve business and scientific practices• Design and oversee the execution of experiments at contract research organizations and acting as the point of contact for troubleshooting studies• Develop assay and degradation products, content uniformity, dose accuracy, dissolution, water content, particle size, and density methods for the analysis of drug products• Utilize a variety of analytical instrumentation, including LC-UV/Vis, LC-CAD, App II, and LC-MS

Aug 2017 - May 2020

Graduate Research Assistant

Lawrence, Ks, Us

• Developed microchip electrophoresis-based methods with electrochemical and fluorescencedetection to monitor cellular nitrosative stress under neurodegenerative conditions• Engineered a decoupler that allows for electrochemical detection in a single cell analysis device• Collaborated with a research group at Kansas State University to design and test a single cellanalysis device to study the variation of small molecule production due to cellularheterogeneity• Evaluated the effectiveness of a novel fluorescent probe to detect intracellular peroxynitrite• Authored and published scientific articles and a book chapter• Mentored undergraduate and graduate students

Jun 2012 - Jul 2017

Chemist I

St. Louis, Missouri, Us

•Supported various research groups by testing for trace metals using inductively coupled plasma with mass spectrometry (ICP-MS)•Assisted with metal corrosion research•Prepared various samples for ICP-MS analysis using a variety of techniques, including microwave digestion and ashing•Maintained the atomic spectroscopy laboratory and instrumentation•Trained new employees to work in the metals lab

Dec 2011 - Jun 2012

Chemist I

Fridley, Minnesota, Us

•Tested raw materials for St. Louis Covidien plant•Analyzed samples with high performance liquid chromatography, infrared spectroscopy, flame atomic absorbance spectrometer, and thin layer chromatography•Performed extensive data analysis involving integrating chromatograms created by HPLC using Total Chrom software•Followed current GMP procedures•Troubleshot various instruments in order to continue optimal operation•Peer reviewed the reports of other analysts within the raw materials group

Sep 2011 - Nov 2011

Chemist I

Fridley, Minnesota, Us

•Provided QC support for an in-house pharmaceuticals production plant•Prepared various types of samples for different measurement methods, including High Performance Liquid Chromatography, Gas Chromatography, and Karl Fisher•Followed current GMP procedures•Performed extensive data analysis involving integrating chromatograms created by HPLC and GC using Total Chrom software•Maintained HPLC pumps and injector•Troubleshot various instruments in order to continue operation•Peer reviewed the reports of other analysts within the QC group

Jun 2011 - Sep 2011

Undergraduate Researcher

Kirksville, Mo, Us

•Constructed an automatic flow injection valve for a homemade cold vapor atomic absorption spectrophotometer (CVAAS)•Determined the mercury content in the skin of fish with the CVAAS•Investigated approaches to decrease the detection limit of the CVAAS system

Aug 2009 - Aug 2011

Undergraduate Intern Researcher

East Lansing, Mi, Us

•Developed a method to quantify the concentration of ATP released by red blood cells under in vivo conditions using microfluidic technology•Modified the current microfluidic technology used in the lab to measure ATP•Developed a procedure to use a 96 well plate reader as the detection source for a microfluidic device

Jun 2010 - Aug 2010
2 education records

Joseph Siegel education

Doctor Of Philosophy (Phd), Analytical Chemistry

The University Of Kansas

Bachelor Of Science, Chemistry

Truman State University
FAQ

Frequently asked questions about Joseph Siegel

Quick answers generated from the profile data available on this page.

What company does Joseph Siegel work for?

Joseph Siegel works for Praxis Precision Medicines, Inc..

What is Joseph Siegel's role at Praxis Precision Medicines, Inc.?

Joseph Siegel is listed as Principal Scientist at Praxis Precision Medicines, Inc..

What is Joseph Siegel's email address?

AeroLeads has found 1 work email signal at @praxismedicines.com for Joseph Siegel at Praxis Precision Medicines, Inc..

What is Joseph Siegel's phone number?

AeroLeads has found 2 phone signal(s) with area code 314 for Joseph Siegel at Praxis Precision Medicines, Inc..

Where is Joseph Siegel based?

Joseph Siegel is based in St Louis, Missouri, United States while working with Praxis Precision Medicines, Inc..

What companies has Joseph Siegel worked for?

Joseph Siegel has worked for Praxis Precision Medicines, Inc., Mallinckrodt Pharmaceuticals, Merck, The University Of Kansas, and Monsanto.

How can I contact Joseph Siegel?

You can use AeroLeads to view verified contact signals for Joseph Siegel at Praxis Precision Medicines, Inc., including work email, phone, and LinkedIn data when available.

What schools did Joseph Siegel attend?

Joseph Siegel holds Doctor Of Philosophy (Phd), Analytical Chemistry from The University Of Kansas.

What skills is Joseph Siegel known for?

Joseph Siegel is listed with skills including Research, Chemistry, Analytical Chemistry, Laboratory, Science, Fluorescence, Microfluidics, and Microchip Capillary Electrophoresis.

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