AeroLeads people directory · profile
John Efromson Email & Phone Number
Machine Learning Lead
at
Ramona
1 work email found
@ramonaoptics.com
2 phones found area 781
LinkedIn matched
✓ Verified Jun 2026
4 data sources
Profile completeness 100%
Current company
Role
Machine Learning Lead
Location
Durham, North Carolina, United States
Company size
Who is John Efromson? Overview
A concise factual answer block for searchers comparing this professional profile.
Quick answer
John Efromson is listed as Machine Learning Lead at Ramona, a company with 89 employees, based in Durham, North Carolina, United States. AeroLeads shows a work email signal at ramonaoptics.com, phone signal with area code 781, and a matched LinkedIn profile for John Efromson.
John Efromson previously worked as Senior Machine Learning Engineer at Ramona and Machine Learning Engineer at Ramona. John Efromson holds Master Of Science - Ms, Electrical And Electronics Engineering, 4.0 Gpa from North Carolina State University.
Company email context
Email format at Ramona
This section adds company-level context without repeating John Efromson's masked contact details.
{first}@ramonaoptics.com
89% confidence
AeroLeads found 1 current-domain work email signal for John Efromson. Compare company email patterns before reaching out.
Profile bio
About John Efromson
Engineer passionate about solving interesting problems and building cool stuff! Recent topics of interest include bioreactor and biomanufacturing equipment design, machine learning, computer vision, and software development applied to biological systems. Outside of work you can probably find me in the woods rock climbing.
Listed skills include Research, Molecular Biology, Cell Culture, Teaching, and 8 others.
Current workplace
John Efromson's current company
Company context helps verify the profile and gives searchers a useful next step.
Ramona
8 roles
John Efromson work experience
A career timeline built from the work history available for this profile.
Senior Machine Learning Engineer
Current
Jun 2024 - Present
Machine Learning Engineer
Jun 2023 - Jun 2024
Application Engineer
- Developing applications using deep learning and computer vision for our gigapixel microscopy platform.
Oct 2020 - Jun 2023
Lab Manager And Research Associate
- Assisted with experiments surrounding metabolic engineering of E. coli for protein and small molecule production- Routinely ran bioreactors for upscaling: 120+ processes run- Repaired and maintained bioreactors for fermentation- Designed custom bioreactors and 3D printed prototype- Designed and constructed automated sampling device for bioreactors.
Jul 2019 - Aug 2020
Team Lead
- Trained over one hundred employees for our company- Assisted with multiple new location openings- Developed customer and team interpersonal skills- Developed strong ethical working habits- Assisted with driving sales and budget optimization
Jun 2011 - Jul 2019
Research Assistant
- Clinical fMRI studies of bipolar and schizophrenic patients involving working memory tasks- Assisted patients through surveys, tasks and scans- Analyzed scan data- Conducted literature searches
Jul 2012 - Dec 2012
Teaching Assistant
International School Of Bremen
- Taught chemistry and physics classes and labs (Grades 6 - 12)- Implemented the International Baccalaureate curriculum- Managed and purchased laboratory supplies- Furthered my international experience and interest
Aug 2011 - Dec 2011
Team & coworkers
Colleagues at Ramona
Other employees you can reach at ramonaoptics.com. View company contacts for 89 employees →
CD
Clay Dugo
Colleague at RamonaColumbus, Ohio, United States, United States
View →
GH
Gregor Horstmeyer
Colleague at RamonaRaleigh-Durham-Chapel Hill Area, United States
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TD
Thomas Doman
Colleague at RamonaDurham, North Carolina, United States, United States
View →
JB
Jack Bechtel
Colleague at RamonaDurham, North Carolina, United States, United States
View →
RH
Roarke Horstmeyer
Colleague at RamonaDurham, North Carolina, United States, United States
View →
AB
Aurélien Bègue
Colleague at RamonaDurham, North Carolina, United States, United States
View →
SW
Shibiao Wyatt Chia, Ph.D.
Colleague at RamonaDurham, North Carolina, United States, United States
View →
Clay Dugo
Colleague at RamonaColumbus, Ohio, United States, United States
View →
GH
Gregor Horstmeyer
Colleague at RamonaRaleigh-Durham-Chapel Hill Area, United States
View →
TD
Thomas Doman
Colleague at RamonaDurham, North Carolina, United States, United States
View →
JB
Jack Bechtel
Colleague at RamonaDurham, North Carolina, United States, United States
View →
RH
Roarke Horstmeyer
Colleague at RamonaDurham, North Carolina, United States, United States
View →
AB
Aurélien Bègue
Colleague at RamonaDurham, North Carolina, United States, United States
View →
SW
Shibiao Wyatt Chia, Ph.D.
Colleague at RamonaDurham, North Carolina, United States, United States
View →
2 education records
John Efromson education
Master Of Science - Ms, Electrical And Electronics Engineering, 4.0 Gpa
Bachelor Of Science (B.S.), Biochemistry
FAQ
Frequently asked questions about John Efromson
Quick answers generated from the profile data available on this page.
What company does John Efromson work for?
John Efromson works for Ramona.
What is John Efromson's role at Ramona?
John Efromson is listed as Machine Learning Lead at Ramona.
What is John Efromson's email address?
AeroLeads has found 1 work email signal at @ramonaoptics.com for John Efromson at Ramona.
What is John Efromson's phone number?
AeroLeads has found 2 phone signal(s) with area code 781 for John Efromson at Ramona.
Where is John Efromson based?
John Efromson is based in Durham, North Carolina, United States while working with Ramona.
What companies has John Efromson worked for?
John Efromson has worked for Ramona, Ramona Optics, Duke University Pratt School Of Engineering, Wagamama, and Massachusetts General Hospital.
Who are John Efromson's colleagues at Ramona?
John Efromson's colleagues at Ramona include Clay Dugo, Gregor Horstmeyer, Thomas Doman, Jack Bechtel, and Roarke Horstmeyer.
How can I contact John Efromson?
You can use AeroLeads to view verified contact signals for John Efromson at Ramona, including work email, phone, and LinkedIn data when available.
What schools did John Efromson attend?
John Efromson holds Master Of Science - Ms, Electrical And Electronics Engineering, 4.0 Gpa from North Carolina State University.
What skills is John Efromson known for?
John Efromson is listed with skills including Research, Molecular Biology, Cell Culture, Teaching, Clinical Research, Biochemistry, Data Analysis, and Genomics.
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