AeroLeads people directory · profile
Jon Darnell Email & Phone Number
Managing Director
at
Lime Rock New Energy
1 work email found
@altenergyllc.com
1 phone found area 203
LinkedIn matched
✓ Verified August 2026
4 data sources
Profile completeness 100%
Current company
Role
Managing Director
Location
New York City Metropolitan Area, United States
Company size
Who is Jon Darnell? Overview
A concise factual answer block for searchers comparing this professional profile.
Quick answer
Jon Darnell is listed as Managing Director at Lime Rock New Energy, a with 16 employees, based in New York City Metropolitan Area, United States. AeroLeads shows a work email signal at altenergyllc.com, phone signal with area code 203, and a matched LinkedIn profile for Jon Darnell.
Jon Darnell previously worked as Chief Financial Officer at Altenergy Acquisition Corp. and Managing Director at Altenergy, Llc. Jon Darnell holds Ab, Magna Cum Laude, Philosophy from Princeton University.
Company email context
Email format at Lime Rock New Energy
This section adds company-level context without repeating Jon Darnell's masked contact details.
{first_initial}{last}@altenergyllc.com
86% confidence
AeroLeads found 1 current-domain work email signal for Jon Darnell. Compare company email patterns before reaching out.
Profile bio
About Jon Darnell
Seasoned professional with decades of experience working with investments and alternative energy. Skilled in Venture Capital, Asset Management, Entrepreneurship, Capital Raising, and Business Development. Registered Representative – Securities offered through Pickwick Capital Partners LLC, member FINRA/ SIPC| 445 Hamilton Avenue, Suite 1102, White Plains, NY 10601– (914) 358-3269. See www.pickwickcapitalpartners.com, www.finra.org and www.sipc.org
Listed skills include Investments, Hedge Funds, Private Equity, Alternative Investments, and 11 others.
Current workplace
Jon Darnell's current company
Company context helps verify the profile and gives searchers a useful next step.
Lime Rock New Energy
7 roles · 23 years
Jon Darnell work experience
A career timeline built from the work history available for this profile.
Chief Financial Officer
Current
Altenergy Acquisition Corp.
CFO for sustainability/energy transition focused SPAC; broad responsibilities for financial controls and accounting, SEC compliance and reporting; actively involved with acquisition target sourcing and diligence; deal structuring and financial modeling and analysis; PIPE capital formation. Business Combination Agreement announced Feb 2024.
Feb 2022 - Present
Managing Director
CurrentAltEnergy is an established entrepreneurial investor in alternative energy enterprises. We provide leadership as investors, developers, operators, and strategists. Our mission is to apply our financial and organizational capital to landmark projects and businesses that advance the new energy economy. We seek to participate in the development and advancement of alternative energy projects, technology and infrastructure globally. We also seek investments that support sustainable water use and agricultural development.
Jan 2016 - Present
Independent Trustee
CurrentLeading environmentally-screened investing and shareholder advocacy boutique with $700 million in assets; first fossil-free family of mutual funds in U.S. and only fund group owned by environmental groups. Member, investment committee; chair, audit committee.
Jan 2014 - Present
Owner
Current
Patolan Partners Llc
Private placement boutique focusing on high quality, off-the-run investments - both funds and direct, with experience in clean-tech/alternative energy, biomedical sciences, direct lending, and insurance industry and large family office investors.
May 2011 - Present
Vice President
Investment advisor in Private Wealth Management, Firm's dedicated ultra-high net worth division
2004 - 2011
~7 yrs
Chief Executive
Mar 1991 - Oct 2000
Team & coworkers
Colleagues at Lime Rock New Energy
Other employees you can reach at lrnewenergy.com. View company contacts for 16 employees →
2 education records
Jon Darnell education
Ab, Magna Cum Laude, Philosophy
Mba, Finance
FAQ
Frequently asked questions about Jon Darnell
Quick answers generated from the profile data available on this page.
What company does Jon Darnell work for?
Jon Darnell works for Lime Rock New Energy.
What is Jon Darnell's role at Lime Rock New Energy?
Jon Darnell is listed as Managing Director at Lime Rock New Energy.
What is Jon Darnell's email address?
AeroLeads has found 1 work email signal at @altenergyllc.com for Jon Darnell at Lime Rock New Energy.
What is Jon Darnell's phone number?
AeroLeads has found 1 phone signal(s) with area code 203 for Jon Darnell at Lime Rock New Energy.
Where is Jon Darnell based?
Jon Darnell is based in New York City Metropolitan Area, United States while working with Lime Rock New Energy.
What companies has Jon Darnell worked for?
Jon Darnell has worked for Lime Rock New Energy, Altenergy Acquisition Corp., Altenergy, Llc, Green Century Funds, and Patolan Partners Llc.
Who are Jon Darnell's colleagues at Lime Rock New Energy?
Jon Darnell's colleagues at Lime Rock New Energy include Harrison Chan, Lindsey Derr, and Kathryn Wen.
How can I contact Jon Darnell?
You can use AeroLeads to view verified contact signals for Jon Darnell at Lime Rock New Energy, including work email, phone, and LinkedIn data when available.
What schools did Jon Darnell attend?
Jon Darnell holds Ab, Magna Cum Laude, Philosophy from Princeton University.
What skills is Jon Darnell known for?
Jon Darnell is listed with skills including Investments, Hedge Funds, Private Equity, Alternative Investments, Venture Capital, Asset Management, Financial Modeling, and Mergers And Acquisitions.
Find 750M verified contacts
Search by job title, company, industry, location, and seniority. Export verified B2B contact data when you need it.
Start free trialPeople with similar names
Check these profiles if this is not the Jon Darnell you were looking for.
View similar profiles
