Senior Human Resources Business Partner
Current
Oct 2024 - Present
AeroLeads people directory · profile
Sydney Leffler Email & Phone Number
Talent @ Circle
at
Circle
2 work emails found
@circle.com
LinkedIn matched
✓ Verified May 2026
4 data sources
Profile completeness 100%
Current company
Role
Talent @ Circle
Location
New York, New York, United States
Company size
Who is Sydney Leffler? Overview
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Quick answer
Sydney Leffler is listed as Talent @ Circle at Circle, a company with 234 employees, based in New York, New York, United States. AeroLeads shows a work email signal at circle.com and a matched LinkedIn profile for Sydney Leffler.
Sydney Leffler previously worked as Senior Human Resources Business Partner at Circle and Associate Program Manager, Talent at Circle. Sydney Leffler holds Bachelor'S Degree, Business, Management, Marketing, And Related Support Services from Northeastern University.
Company email context
Email format at Circle
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{first_initial}{last}@circle.com
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AeroLeads found 2 current-domain work email signals for Sydney Leffler. Compare company email patterns before reaching out.
Profile bio
About Sydney Leffler
As a Senior HR Business Partner at Circle, I drive strategic HR initiatives and collaborate with multiple departments to foster an environment where employees thrive. After graduating with a BA in Business Administration and Marketing from Northeastern University, I joined Circle and have gained experience in multiple facets of HR including talent acquisition, onboarding and operations, and employee engagement. I also have successfully led and managed a diverse portfolio of real estate projects, including WeWork partnerships, global shared office setups, and the development of a new global headquarters. I am committed to fostering collaboration, driving innovation, and aligning people strategies with organizational goals to build a positive and inclusive workplace culture.
Listed skills include Microsoft Office, Social Media, Communication, Interpersonal Communication, and 2 others.
Current workplace
Sydney Leffler's current company
Company context helps verify the profile and gives searchers a useful next step.
Circle
10 roles
Sydney Leffler work experience
A career timeline built from the work history available for this profile.
Associate Program Manager, Talent
Oct 2022 - Nov 2024
Team Lead, Talent Acquisition Operations
Apr 2022 - Oct 2022
Talent Project Specialist
Aug 2021 - Apr 2022
Talent Acquisition Coordinator
Nov 2020 - Aug 2021
Family Camp Leader
- Selected for a small team to create and implement a socially distant family retreat while abiding under COVID restrictions
- Developed skills in scheduling, operations, and customer service, while also maintaining a safe and clean environment
Jul 2020 - Aug 2020
Group Leader
- Supervised 55 campers, 11-12-year-old girls, and their 12 counselors, ages 18-23
- Responsible for a successful camp program and overall camp experience through organized activities, daily communications, problem-solving guidance, and effective conflict resolution
- Ensured the overall well-being of each camper, including, physical, emotional health, social, medical, and dietary needs
- Served as a liaison between multiple constituents – campers, counselors, parents, and owners
- Balanced the responsibilities of being an influential and relatable adult role model to campers while also acting as a respectful and professional leader
Jun 2018 - Aug 2019
Assistant Media Manager
- Worked as a full-time Co-Op at this college marketing and media services firm in 2017, and continued part-time while balancing full-time college courses
- Analyzed college student consumer behaviors to create direct marketing strategies
- Identified, built relationships, hired, and managed Brand Ambassadors for each influencer marketing campaign
- Created social media marketing proposals for prospective clients to increase brand awareness and audience engagement
- Assessed Brand Ambassador activity for campaign effectiveness, identifying successes and improvement areas
Jul 2017 - Jan 2019
Stylist/Brand Representative
- Thrived in a fast-paced, competitive environment, working 40+ hours a week while maintaining a full college course schedule
- Developed professional client relationships by managing the Boston store customer base, created brand loyalty, and expanded personal network through working in New York City at the SOHO store
- Styled women of all ages in fashion forward clothing and ranked one of the top selling stylists
Oct 2015 - Apr 2017
Intern
Comcast
May 2015 - Jun 2015
Team & coworkers
Colleagues at Circle
Other employees you can reach at circle.com. View company contacts for 234 employees →
AJ
Abbas Jaffer
Colleague at Circle
San Francisco, California, United States, United States
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AM
Adam Mcdonald
Colleague at Circle
Seattle, Washington, United States, United States
View →
KF
Katie Ferguson
Colleague at Circle
Seattle, Washington, United States, United States
View →
TA
Tyler Andersen
Colleague at Circle
San Francisco, California, United States, United States
View →
JK
Jarad Kopf
Colleague at Circle
Washington DC-Baltimore Area, United States, United States
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JR
Julie Ricciardi
Colleague at Circle
Greater Boston, United States, United States
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SJ
Stephen Janda
Colleague at Circle
New York, New York, United States, United States
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SC
Steven Cheung
Colleague at Circle
Toronto, Ontario, Canada, Canada
View →
CB
Coralie Billmann, Cfa
Colleague at Circle
Paris, Île-de-France, France, France
View →
PH
Peter Hauck
Colleague at Circle
Menlo Park, California, United States, United States
View →
Abbas Jaffer
Colleague at Circle
San Francisco, California, United States, United States
View →
AM
Adam Mcdonald
Colleague at Circle
Seattle, Washington, United States, United States
View →
KF
Katie Ferguson
Colleague at Circle
Seattle, Washington, United States, United States
View →
TA
Tyler Andersen
Colleague at Circle
San Francisco, California, United States, United States
View →
JK
Jarad Kopf
Colleague at Circle
Washington DC-Baltimore Area, United States, United States
View →
JR
Julie Ricciardi
Colleague at Circle
Greater Boston, United States, United States
View →
SJ
Stephen Janda
Colleague at Circle
New York, New York, United States, United States
View →
SC
Steven Cheung
Colleague at Circle
Toronto, Ontario, Canada, Canada
View →
CB
Coralie Billmann, Cfa
Colleague at Circle
Paris, Île-de-France, France, France
View →
PH
Peter Hauck
Colleague at Circle
Menlo Park, California, United States, United States
View →
2 education records
Sydney Leffler education
Bachelor'S Degree, Business, Management, Marketing, And Related Support Services
High School Diploma
FAQ
Frequently asked questions about Sydney Leffler
Quick answers generated from the profile data available on this page.
What company does Sydney Leffler work for?
Sydney Leffler works for Circle.
What is Sydney Leffler's role at Circle?
Sydney Leffler is listed as Talent @ Circle at Circle.
What is Sydney Leffler's email address?
AeroLeads has found 2 work email signals at @circle.com for Sydney Leffler at Circle.
Where is Sydney Leffler based?
Sydney Leffler is based in New York, New York, United States while working with Circle.
What companies has Sydney Leffler worked for?
Sydney Leffler has worked for Circle, Lake Bryn Mawr Camp, Oncampus Advertising, Lf Stores, and Comcast.
Who are Sydney Leffler's colleagues at Circle?
Sydney Leffler's colleagues at Circle include Abbas Jaffer, Adam Mcdonald, Katie Ferguson, Tyler Andersen, and Jarad Kopf.
How can I contact Sydney Leffler?
You can use AeroLeads to view verified contact signals for Sydney Leffler at Circle, including work email, phone, and LinkedIn data when available.
What schools did Sydney Leffler attend?
Sydney Leffler holds Bachelor'S Degree, Business, Management, Marketing, And Related Support Services from Northeastern University.
What skills is Sydney Leffler known for?
Sydney Leffler is listed with skills including Microsoft Office, Social Media, Communication, Interpersonal Communication, Interpersonal Leadership, and Interpersonal Skills.
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