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Stephanie Castro Email & Phone Number

People Person & Wearer of All the Hats | First-Gen in Tech | MilSpouse at Mazlo
Location: Los Angeles Metropolitan Area, United States 8 work roles 3 schools
1 work email found @alumni.stanford.edu LinkedIn matched
✓ Verified July 2026 4 data sources Profile completeness 100%

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Work email s****@alumni.stanford.edu
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Current company
Role
People Person & Wearer of All the Hats | First-Gen in Tech | MilSpouse
Location
Los Angeles Metropolitan Area, United States
Company size

Who is Stephanie Castro? Overview

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Quick answer

Stephanie Castro is listed as People Person & Wearer of All the Hats | First-Gen in Tech | MilSpouse at Mazlo, a with 12 employees, based in Los Angeles Metropolitan Area, United States. AeroLeads shows a work email signal at alumni.stanford.edu and a matched LinkedIn profile for Stephanie Castro.

Stephanie Castro previously worked as Marketing Director at Adyton Pbc and Director of People Operations at Adyton Pbc. Stephanie Castro holds Bachelor Of Arts (Ba), Cultural Anthropology, Creative Writing from Stanford University.

Company email context

Email format at Mazlo

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*@alumni.stanford.edu
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AeroLeads found 1 current-domain work email signal for Stephanie Castro. Compare company email patterns before reaching out.

Profile bio

About Stephanie Castro

Working in People Operations, you get a lot of practice dealing with curveballs; honing communication to engage with tact, compassion, and understanding; and leading through influence to navigate challenges and bring out the best in others. The beauty of this field is that it is so fundamentally human - surprising, inspiring, and at times uncomfortable and challenging. Having recently transferred from the public sector over to tech, I've been making use of one of the most important attributes of a successful People person - a lifelong love of learning! Let's chat and learn something together!

Listed skills include Research, Community Outreach, Public Speaking, Non Profits, and 26 others.

Current workplace

Stephanie Castro's current company

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Mazlo
Mazlo
People Person & Wearer of All the Hats | First-Gen in Tech | MilSpouse
Website
Employees
12
AeroLeads page
8 roles

Stephanie Castro work experience

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

Marketing Director

Dallas, Tx, Us

As Marketing Manager, I developed case studies and other collateral for the GTM team, oversaw the company rebrand and website redesign, and worked with two contracted designers to ensure quality and timely success. Notable impact: established a formal marketing lead qualification system, developed digital advertising, and generated ~1000 inbound MQLs within the first six months of ad runs; oversaw the company’s blog and social media calendar, developed campaigns, and aligned marketing activities with Product and GTM needs, achieving a +225% in website traffic, +165% increase in Facebook audience, and +245% increase in Instagram audience over twelve months.

Jan 2023 - Nov 2024

Director Of People Operations

Dallas, Tx, Us

As the first People Ops hire for Adyton, I created foundational People processes including job leveling frameworks, a performance management process, the company’s Total Rewards program, employee engagement surveys, and internal policies. Notable impact: coordinated the hiring process, including maintaining the ATS system, resulting in 2x team growth over 12 months; developed employee engagement surveys to inform People Ops initiatives and improved key engagement areas, such as a ~20% increase in employee satisfaction for overall role clarity, meeting effectiveness, and receiving regular feedback; implemented new employee wellness and professional development benefits as part of the company’s Total Rewards program, contributing to greater engagement, a higher eNPS score, and improved cross-functional collaboration; established a cross-functional working group comprised of leaders across the business to align on goals, leading to greater accountability and efficiency in closing major contracts and completing key compliance requirements; administered and audited the company’s Employee Stock Ownership Plan, resulting in a more equitable distribution of ESOP stock options and clearer links to employee performance achievements; introduced ASQL self-assessments as a professional development framework for independent remote work, resulting in greater awareness and tracking of key self-leadership behaviors and boosting employee performance outcomes.

Apr 2022 - Nov 2024

Senior Human Resources Business Partner

Los Angeles, California, Us

Directed a team of ten staff supporting ~1500 employees; oversaw all hiring processes from recruitment through onboarding and developed a virtual interview process that streamlined procedures and reduced the hiring timeline by 50%; as a liaison to department managers, advised on courses of action regarding employee relations and successfully negotiated several mediation settlements with labor unions on overtime policies and workplace conditions; administered the Learning Management System for approximately 1,500 full-time and 450 part-time employees, obtaining near-full compliance for mandatory training.

May 2018 - Apr 2022

Management Analyst

Los Angeles, California, Us

Streamlined the preparation of the department’s $700 million annual budget, enhancing accuracy and reducing turnaround time by 15%. Developed performance metrics for proposed departmental programs for greater accountability.

Oct 2017 - May 2018

Human Resources Business Partner

Los Angeles, California, Us

Acted as liaison to ~150 staff, providing support for FMLA, workers' compensation, and reasonable accommodations, resulting in improved employee engagement and departmental compliance; coordinated hiring processes, reducing the department’s vacancy rate by 5%; coached supervisors through progressive discipline and performance improvement plans; provided managerial skills training, resulting in improved manager-employee relationships and greater team efficiency.

Jun 2015 - Oct 2017

Management Assistant

Los Angeles, California, Us

Collaboratively implemented the Pension Administration System (PAS) project: I assisted with project management, staff training, and regular updates to division managers. I analyzed business processes for efficiencies and incorporation into workflow technology.

Aug 2013 - Jun 2015

Museum Guide

El Pueblo De Los Angeles Historical Monument

Engaged visitors in conversation about the history of Los Angeles. Led special cultural workshops for students. Served as the first point-of-contact for visitors, educators, and vendors.

Oct 2012 - Aug 2013
3 education records

Stephanie Castro education

Bachelor Of Arts (Ba), Cultural Anthropology, Creative Writing

Stanford University

Master’S Degree, Public Administration

Usc Sol Price School Of Public Policy

Education record

Duarte High School
FAQ

Frequently asked questions about Stephanie Castro

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

What company does Stephanie Castro work for?

Stephanie Castro works for Mazlo.

What is Stephanie Castro's role at Mazlo?

Stephanie Castro is listed as People Person & Wearer of All the Hats | First-Gen in Tech | MilSpouse at Mazlo.

What is Stephanie Castro's email address?

AeroLeads has found 1 work email signal at @alumni.stanford.edu for Stephanie Castro at Mazlo.

Where is Stephanie Castro based?

Stephanie Castro is based in Los Angeles Metropolitan Area, United States while working with Mazlo.

What companies has Stephanie Castro worked for?

Stephanie Castro has worked for Mazlo, Adyton Pbc, City Of Los Angeles, and El Pueblo De Los Angeles Historical Monument.

How can I contact Stephanie Castro?

You can use AeroLeads to view verified contact signals for Stephanie Castro at Mazlo, including work email, phone, and LinkedIn data when available.

What schools did Stephanie Castro attend?

Stephanie Castro holds Bachelor Of Arts (Ba), Cultural Anthropology, Creative Writing from Stanford University.

What skills is Stephanie Castro known for?

Stephanie Castro is listed with skills including Research, Community Outreach, Public Speaking, Non Profits, Event Planning, Social Media, Editing, and Microsoft Office.

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