Sierra Marcks-O'Neill
AeroLeads people directory · profile

Sierra Marcks-O'Neill Email & Phone Number

Assistant Manager, Advancement at The Unusual Suspects Theatre Company
Location: Los Angeles Metropolitan Area, United States, United States 5 work roles 2 schools
1 work email found @theatreofnote.com LinkedIn matched
✓ Verified May 2026 4 data sources Profile completeness 86%

Contact Signals · 1 work email

Work email s****@theatreofnote.com
LinkedIn Profile matched
3 free lookups remaining · No credit card
Current company
The Unusual Suspects Theatre Company
Role
Assistant Manager, Advancement
Location
Los Angeles Metropolitan Area, United States, United States
Company size
47 employees

Who is Sierra Marcks-O'Neill? Overview

A concise factual answer block for searchers comparing this professional profile.

Quick answer

Sierra Marcks-O'Neill is listed as Assistant Manager, Advancement at The Unusual Suspects Theatre Company, a company with 47 employees, based in Los Angeles Metropolitan Area, United States, United States. AeroLeads shows a work email signal at theatreofnote.com and a matched LinkedIn profile for Sierra Marcks-O'Neill.

Sierra Marcks-O'Neill previously worked as Advancement Data Coordinator at The Unusual Suspects Theatre Company and Board Member at Theatre Of Note. Sierra Marcks-O'Neill holds Certificate Of Bookkeeping, Accounting And Finance from Santa Monica College.

Company email context

Email format at The Unusual Suspects Theatre Company

This section adds company-level context without repeating Sierra Marcks-O'Neill's masked contact details.

*@theatreofnote.com
68% confidence

AeroLeads found 1 current-domain work email signal for Sierra Marcks-O'Neill. Compare company email patterns before reaching out.

View email format View company profile Management contacts
Profile bio

About Sierra Marcks-O'Neill

With a background in performance and performing arts management, Sierra has a variety of skills that are vital for office/arts management, as well as customer service. Since relocating to Los Angeles, she has served as Artistic Management of Theatre of NOTE, and currently sits on the Board of Directors for that non-profit theatre.

Current workplace

Sierra Marcks-O'Neill's current company

Company context helps verify the profile and gives searchers a useful next step.

The Unusual Suspects Theatre Company
The Unusual Suspects Theatre Company
Assistant Manager, Advancement
Los Angeles, CA, US
Website
theunusualsuspects.org
Employees
47
AeroLeads page
Company profile
View company profile Email format
5 roles

Sierra Marcks-O'Neill work experience

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

Board Member

Current
Theatre Of Note

Los Angeles, California, United States

Working to maintain artistic integrity and financial health of a long-standing non-profit theatre company. Applying for grants, making performance decisions, and maintaining relationships with donors.

Nov 2019 - Present

Box Office Treasurer

Daryl Roth Theatre

New York, New York, United States

Responsible for cash reconciliation at Off-Broadway theatre, reconciling sales reports, bank deposits, and customer service sales.

Mar 2007 - Jan 2014

Theatre Management Assistant

Dr Theatre Manageme

New York, New York, United States

Aided in daily office tasks and organization, including filing, phone reception, data entry. Also assisted with specific theatre management such as performer/crew payroll, communication with press representatives, event planning, union contracts.

Oct 2004 - Feb 2007
Team & coworkers

Colleagues at The Unusual Suspects Theatre Company

Other employees you can reach at theunusualsuspects.org. View company contacts for 47 employees →

AM Ali Maclean Ali Maclean Colleague at The Unusual Suspects Theatre Company Los Angeles, California, United States, United States View → KJ Kevon Jones Kevon Jones Colleague at The Unusual Suspects Theatre Company Inglewood, California, United States, United States View → RS Rachel S. Reed Rachel S. Reed Colleague at The Unusual Suspects Theatre Company Los Angeles Metropolitan Area, United States View → JS Joe Samaniego Joe Samaniego Colleague at The Unusual Suspects Theatre Company Los Angeles, California, United States, United States View → MH Michael Halpin Michael Halpin Colleague at The Unusual Suspects Theatre Company Los Angeles Metropolitan Area, United States View → MB Marcus Baldwin Marcus Baldwin Colleague at The Unusual Suspects Theatre Company Pasadena, California, United States, United States View → RM Robert Mcmillan Robert Mcmillan Colleague at The Unusual Suspects Theatre Company Downey, California, United States, United States View → SC Susan Cardosi-Albert Susan Cardosi-Albert Colleague at The Unusual Suspects Theatre Company Los Angeles, California, United States, United States View → AE Arcadia Eckmayer Arcadia Eckmayer Colleague at The Unusual Suspects Theatre Company Los Angeles Metropolitan Area, United States View →
2 education records

Sierra Marcks-O'Neill education

FAQ

Frequently asked questions about Sierra Marcks-O'Neill

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

What company does Sierra Marcks-O'Neill work for?

Sierra Marcks-O'Neill works for The Unusual Suspects Theatre Company.

What is Sierra Marcks-O'Neill's role at The Unusual Suspects Theatre Company?

Sierra Marcks-O'Neill is listed as Assistant Manager, Advancement at The Unusual Suspects Theatre Company.

What is Sierra Marcks-O'Neill's email address?

AeroLeads has found 1 work email signal at @theatreofnote.com for Sierra Marcks-O'Neill at The Unusual Suspects Theatre Company.

Where is Sierra Marcks-O'Neill based?

Sierra Marcks-O'Neill is based in Los Angeles Metropolitan Area, United States, United States while working with The Unusual Suspects Theatre Company.

What companies has Sierra Marcks-O'Neill worked for?

Sierra Marcks-O'Neill has worked for The Unusual Suspects Theatre Company, Theatre Of Note, Daryl Roth Theatre, and Dr Theatre Manageme.

Who are Sierra Marcks-O'Neill's colleagues at The Unusual Suspects Theatre Company?

Sierra Marcks-O'Neill's colleagues at The Unusual Suspects Theatre Company include Ali Maclean, Kevon Jones, Rachel S. Reed, Joe Samaniego, and Michael Halpin.

How can I contact Sierra Marcks-O'Neill?

You can use AeroLeads to view verified contact signals for Sierra Marcks-O'Neill at The Unusual Suspects Theatre Company, including work email, phone, and LinkedIn data when available.

What schools did Sierra Marcks-O'Neill attend?

Sierra Marcks-O'Neill holds Certificate Of Bookkeeping, Accounting And Finance from Santa Monica College.

Find 750M verified contacts

Search by job title, company, industry, location, and seniority. Export verified B2B contact data when you need it.