Sonia O'Brien
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Sonia O'Brien Email & Phone Number

Experienced Executive Assistant | Professional Administrative Support | Office Manager
Location: El Cajon, California, United States 6 work roles 4 schools
2 phones found area 619 LinkedIn matched
✓ Verified May 2026 4 data sources Profile completeness 86%

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Role
Experienced Executive Assistant | Professional Administrative Support | Office Manager
Location
El Cajon, California, United States

Who is Sonia O'Brien? Overview

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Quick answer

Sonia O'Brien is listed as Experienced Executive Assistant | Professional Administrative Support | Office Manager based in El Cajon, California, United States. AeroLeads shows phone signal with area code 619 and a matched LinkedIn profile for Sonia O'Brien.

Sonia O'Brien previously worked as Office Manager at Freibergs.Com and Office Manager at Express Blinds, Draperies, And Shutters. Sonia O'Brien holds Diploma, Small Business Management from Penn Foster.

Profile bio

About Sonia O'Brien

I am a highly motivated and experienced executive assistant and writer. I have over 10 years of high level executive assistant experience. Also, my first novel was published in June 2012. I am looking for an administrative position, but I am also skilled at editing, proofreading and social media marketing as well as any other administrative duties. I am extremely adaptable, and I would be open to working in any of my fields of expertise. I find helping busy executives meet their goals and increase their overall productivity very rewarding. Please feel free to contact me with anything I may be able to help you with. I can be reached via e-mail at seobrien1359@gmail.com or phone at (619)609-8181.

Listed skills include Virtual Assistant, Online Business Management, Desktop Publishing, Accreditation, and 46 others.

6 roles

Sonia O'Brien work experience

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

Office Manager

Freibergs.Com

San Diego, CA

I am the office manager for 2 authors and professional speakers. I make extensive travel arrangements. I maintain the daily calendar for all professional obligations. I am responsible for the booking of multiple speaking engagements. I perform collections on past due invoices. I prepare travel sheets for every speaking engagement that contains all.

Feb 2015 - Aug 2016

Office Manager

Greater San Diego Area

I was the office manager for this blind, shade and shutter company. I ran all aspects of the day to day functions of this busy office. I worked directly with the owner and all of his staff. I maintained their calendars, making sure all were on schedule. I coordinated all office meetings and employee functions. While there, I coordinated multiple trade.

Sep 2013 - Feb 2015

Executive Assistant/ Office Manager

I was the Executive Assistant to the General Manager of one of the subsidiary companies under the DSCI group of businesses. I assisted him by maintaining his calendar, coordinating meetings, making travel arrangements (in and out of the United States), performing research for upcoming projects and extrapolating that information into various reports.

Oct 2009 - Aug 2012

Executive Assistant/ Medical Secretary

Greater San Diego Area

Executive Assistant to the Chief of Psychiatry. I maintained her daily calendar, made travel arrangements, negotiated travel and training funding, and processed all reimbursement requests - which were always within budget. Assisted 50 physicians, and 40 employees with their administrative needs. Acted as administrative liaison between psychiatry and the.

Jan 2007 - Oct 2009

Executive Administrative Assistant/ Medical Secretary

San Diego Cardiac Center

Greater San Diego Area

Executive Assistant to five very busy cardiologists, including the President of the practice. I maintained their calendars, made travel arrangements, and retained credentialing with all health plans and hospitals the clinic was affiliated with. I assisted the Chief Administrative Officer in various tasks, including accounts payable. I researched and.

May 1999 - Jan 2007

Hospital Corpsman/Psychiatric Technician

Greater San Diego Area

In this position, I provided nursing care to mentally ill patients on the inpatient locked psychiatric ward and the outpatient clinics. I participated in the rehabilitation and treatment of active duty patients being discharged for psychiatric reasons. I helped patients with their activities of daily living. I administered oral medications and injections.

Jul 1989 - Aug 1994
4 education records

Sonia O'Brien education

Diploma, Small Business Management

Penn Foster

Training and Coursework: Preparing for Business Success, Choosing a Business, Keys to Success, Market Research, Basics of and Writing a.

Journalism; Creative Writing; Mathematics, Sociology, And Psychology

Activities and Societies: Phi Theta Kappa Honor Society

Diploma, Psychiatric Technician

Naval School Of Health Sciences

Training and Coursework: Human Development, Psychology, Psychiatric Nursing Care Treatment Modalities, Psychopharmacology, Patient Care.

Diploma, Hospital Corpsman

Naval School Of Health Sciences

Activities and Societies: Class AdjutantTraining and Coursework: Introduction to Anatomy & Physiology, Medical Terminology, First Aid.

FAQ

Frequently asked questions about Sonia O'Brien

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

What is Sonia O'Brien's role at their current company?

Sonia O'Brien is listed as Experienced Executive Assistant | Professional Administrative Support | Office Manager.

What is Sonia O'Brien's phone number?

AeroLeads has found 2 phone signal(s) with area code 619 for Sonia O'Brien.

Where is Sonia O'Brien based?

Sonia O'Brien is based in El Cajon, California, United States.

What companies has Sonia O'Brien worked for?

Sonia O'Brien has worked for Freibergs.Com, Express Blinds, Draperies, And Shutters, Dsci Corporation, U.S. Department Of Veterans Affairs, and San Diego Cardiac Center.

How can I contact Sonia O'Brien?

You can use AeroLeads to view verified contact signals for Sonia O'Brien, including work email, phone, and LinkedIn data when available.

What schools did Sonia O'Brien attend?

Sonia O'Brien holds Diploma, Small Business Management from Penn Foster.

What skills is Sonia O'Brien known for?

Sonia O'Brien is listed with skills including Virtual Assistant, Online Business Management, Desktop Publishing, Accreditation, Project Coordination, Copy Editing, Ghostwriting, and Executive Assistant.

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