AeroLeads people directory · profile
Theo Schlossnagle Email & Phone Number
Principal
at
l42
3 work emails found
@circonus.com
16 phones found area 301, 443, 410, 240, and 877
LinkedIn matched
✓ Verified May 2026
4 data sources
Profile completeness 100%
Current company
Role
Principal
Location
Columbia, Maryland, United States
Company size
Who is Theo Schlossnagle? Overview
A concise factual answer block for searchers comparing this professional profile.
Quick answer
Theo Schlossnagle is listed as Principal at l42, a company with 1 employees, based in Columbia, Maryland, United States. AeroLeads shows a work email signal at circonus.com, phone signal with area code 301, 443, 410, 240, 877, and a matched LinkedIn profile for Theo Schlossnagle.
Theo Schlossnagle previously worked as Founding Member at The Butchers Club Of Maple Lawn and Board Member at African Women Entrepreneurship Cooperative. Theo Schlossnagle holds Mse, Computer Science from The Johns Hopkins University.
Company email context
Email format at l42
This section adds company-level context without repeating Theo Schlossnagle's masked contact details.
{first}.{last}@circonus.com
92% confidence
AeroLeads found 3 current-domain work email signals for Theo Schlossnagle. Compare company email patterns before reaching out.
Profile bio
About Theo Schlossnagle
Technology executive and committed volunteer. Deeply experienced owner/operator entrepreneur. Investor.
Listed skills include Scalability, Distributed Systems, Saas, High Availability, and 35 others.
Current workplace
Theo Schlossnagle's current company
Company context helps verify the profile and gives searchers a useful next step.
10 roles · 27 years
Theo Schlossnagle work experience
A career timeline built from the work history available for this profile.
Founding Member
Current
The Butchers Club Of Maple Lawn
Co-founded and operates a local butcher shop servicing Maple Lawn and surrounding areas.
Mar 2023 - Present
Board Member
Current
Oct 2022 - Present
Tech Partner
Current
Jan 2014 - Present
Founder And Distinguished Engineer
I solve research and development challenges in the realm of massive machine data.
Jul 2021 - Feb 2023
Apr 2019 - Jul 2021
Jan 2010 - Apr 2019
Founder
Responsible for cryptographic methods, implementation of crypto-based edge DRM and design of Fontdeck's global CDN.
Jul 2009 - Jan 2014
Jul 1997 - Jan 2014
Founder
Architect and implementor of Sparkpost's industry-leading MTA and email marketing platform.
1999 - Jan 2008
1 education record
Theo Schlossnagle education
-
The Johns Hopkins University
FAQ
Frequently asked questions about Theo Schlossnagle
Quick answers generated from the profile data available on this page.
What company does Theo Schlossnagle work for?
Theo Schlossnagle works for l42.
What is Theo Schlossnagle's role at l42?
Theo Schlossnagle is listed as Principal at l42.
What is Theo Schlossnagle's email address?
AeroLeads has found 3 work email signals at @circonus.com for Theo Schlossnagle at l42.
What is Theo Schlossnagle's phone number?
AeroLeads has found 16 phone signal(s) with area code 301, 443, 410, 240, 877 for Theo Schlossnagle at l42.
Where is Theo Schlossnagle based?
Theo Schlossnagle is based in Columbia, Maryland, United States while working with l42.
What companies has Theo Schlossnagle worked for?
Theo Schlossnagle has worked for L42, The Butchers Club Of Maple Lawn, African Women Entrepreneurship Cooperative, Rally Ventures, and Circonus.
How can I contact Theo Schlossnagle?
You can use AeroLeads to view verified contact signals for Theo Schlossnagle at l42, including work email, phone, and LinkedIn data when available.
What schools did Theo Schlossnagle attend?
Theo Schlossnagle holds Mse, Computer Science from The Johns Hopkins University.
What skills is Theo Schlossnagle known for?
Theo Schlossnagle is listed with skills including Scalability, Distributed Systems, Saas, High Availability, Open Source, Apache, Linux, and Entrepreneurship.
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