Find your path to Nina
384 people in our graph share verified history with Nina — schools, employers, funds. One of them is your warm intro.
David ParraunlockedNina: together at Barclays (2019–2021)
Nina: together at National Charity League, Inc.
×2Nina: together at Barclays
×8Nina: together at Middlebury College
About
Nina Callahan is a Principal at Paine Schwartz Partners. Her professional focus includes investment in industry-disruptive solutions and the use of markets to address environmental issues.
Experience
- Paine Schwartz PartnersPrincipalcurrent2026 — present
- Paine Schwartz PartnersSenior Associate2025 — 2026
- Paine Schwartz PartnersAssociate2022 — 2025
- OovaInvestorcurrent2026 — present
- Miss GrassInvestorcurrent2024 — present
- SwayInvestorcurrent2023 — present
- TiaInvestorcurrent2023 — present
- The HelmAngel Investorcurrent2023 — presentNew York, NY
- Barclays Investment BankAnalyst2020 — 2022New York, United States
- Barclays Investment BankSummer Analyst2019
- Valore DTraining and Development Researcher2019Milan Area, Italy
- X-Chem, Inc.Accountant Intern2018Waltham, MA
- Middlebury College's MiddCOREStudent2018Middlebury, VT
- FreshBox FarmsPlant Science Research Intern2017Millis, MA
- Tufts University Urban Attitudes LabIntern for Professor Justin Hollander2015 — 2016Medford, MA
- National Charity League, Inc.Tick Tocker Volunteer2010 — 2016Concord, MA
- Harlem LacrosseSummer Tutor and Coach2014Harlem, NY
Skills & more
WritingResearchPublic SpeakingCommunicationLeadershipStrategic PlanningItalian
- SIE — FINRA
- Series 79 — FINRA
- Series 63 — FINRA
From Nina's professional profile.
Colleagues at Paine Schwartz Partners
Abby Efrem
Senior Associate at Paine Schwartz Partners
Adam Klein
Managing Director at Paine Schwartz Partners
Alex Corbacho
Partner at Paine Schwartz Partners
Alex DiFelice
Principal at Paine Schwartz Partners
Alex First
Senior Associate at Paine Schwartz Partners
Alex Puglisi
Director at Paine Schwartz Partners
Ammar Khan
Accounting Manager at Paine Schwartz Partners
Angelos Dassios
Chief Investment Officer, Managing Partner at Paine Schwartz Partners
Frequently asked questions
- Who is Nina Callahan?
- Nina Callahan is a Principal at Paine Schwartz Partners. Her professional focus includes investment in industry-disruptive solutions and the use of markets to address environmental issues.
- Where does Nina Callahan work?
- Nina Callahan is Principal at Paine Schwartz Partners.
- Where did Nina Callahan go to school?
- Nina Callahan studied at Middlebury College (Bachelor of Arts - BA, Environmental Economics with Italian Minor); Concord Academy (High School Diploma, High School/Secondary Diplomas and Certificates).
Same school
Also attended Middlebury College190
Parker HarrisCo-founder of SalesforceAlex FinkelsteinInvestor at Spark CapitalJeff DoranInvestor at Spark CapitalTrevor KienzleInvestor at Correlation VenturesUrvashi BarooahPartner at Redpoint VenturesEnzo WienerPrincipal at Redpoint Ventures
+ 184 more
Also attended Concord Academy7
Theresa DaiInvestor at Foothill VenturesKrongkamol DeleonInvestment Principal at Beacon VCIzzy SchmidtSenior Associate, Investor Relations & ESG at Quona CapitalDavid B. MatiasFounder, CPA at Vodia VenturesEmma BlackburnVenture Partner at AscensionJohn NordinGeneral Partner at Analog Ventures
+ 1 more
