Jessica L. Mazzeo, Esq., is co-founder of GriesingMazzeo Leadership. She is also a co-founder of Griesing Mazzeo Law, LLC, where she also serves as the law firm’s Chief Operating Officer and is a Member in the Employment Practices Group. Jessica is co-founder of Bossible, a strategic marketing and business development partner that empowers clients through tailored services and supporting education using an innovative process – all with growth in mind. She has experience building businesses from the ground up and dedicates a significant amount of her time to advising aspiring entrepreneurs and small businesses on how to do the same.

She was the 2020-2021 Chair of the Diversity and Inclusion Committee of the Association of Legal Administrators (“ALA”), a non-profit organization with over 8,500 members across 30 countries, and she also previously served on the Philadelphia Chapter’s board of directors. In addition, for over six years Jessica had served as a committee volunteer for the Women’s Business Enterprise Council of PA, DE and sNJ. In September 2016, the organization awarded Jessica for her efforts by making her a recipient of its Shining Star Award. Jessica also is actively involved in supporting the National Association of Minority and Women Owned Law Firms, which is a non-profit trade organization dedicated to promoting diversity and fostering relationships between Fortune 500 companies and outside legal counsel.

Jessica is a frequent writer and speaker on a variety of topics around business administration and management and has presented at numerous trade association conferences. Jessica is an alumni of the Goldman Sachs 10,000 Small Businesses Program, an intensive twelve week mini-MBA program designed to help entrepreneurs create jobs and economic opportunity by providing greater access to education, capital and business support services. She also completed the Leadership Now development series led by the Greater Philadelphia Chamber of Commerce.

Jessica graduated from Temple University with a degree in Marketing and from Widener University Delaware School of Law, where she graduated with pro bono distinction in recognition of her volunteer hours to the law school’s Veterans’ Law Clinic.

Jessica's awards

  • Women’s Achievement Awards Semifinalist, KYW Newsradio, 2019
  • Shining Star Award, Women Business Enterprise Council of PA-DE-sNJ, 2016
    • Acknowledges a woman business owner, individual, company, or government entity that is instrumental in the successful development of WBEC PA/DE/sNJ and whose voluntary support of and commitment to supplier development initiatives have enhanced business opportunities for certified WBEs
  • SmartCEO Brava! Executive Awards, 2015
    • Recognized as one of 10 local women executives that is an exemplary leader within their organizations and their communities
  • Paradigm Scholarship, The Chamber of Commerce for Greater Philadelphia, 2012
    • Awarded annually to women who are working toward an undergraduate degree

Jessica's Selected Speaking on Entrepreneurship, Diversity, Inclusion and Elimination of Bias and Women’s Leadership

More Than Meets the Eye: Tackling Deep Level Diversity in the Law– Presenter, Celesq® AttorneysEd Center – Webinar, September 2022

“Much More Than Her LSAT Score: Lessons Learned on Confronting Bullying and Bias From Judge Ketanji Brown Jackson’s Confirmation Hearings”– Co-Presenter, National Association of Minority and Women Owned Law Firms Annual Meeting, September 2022

“Lessons Learned From Our Very Own Law Firm Management Master” – Co-Presenter, Celesq® AttorneysEd Center, July 2022

“Don’t Hit the Panic Button: Meeting Client Diversity Initiatives” – Co-Presenter, Association of Legal Administrators, October 2021

“Put Your Money Where Your Mouth Is: Diversifying Your Legal Spend to Meet Your Message”
– Co-Presenter, Celesq, May 2021

“How To Put DEI Into Your Firm’s DNA” – Moderator, Association of Legal Administrators, Oregon Chapter, March 2021

“Social Unrest in America” – Presenter, Association of Legal Administrators – Zoom Roundtable, June 2020

“From Diversity to Inclusion” – Presenter, Philadelphia Chapter of the Association of Legal Administrators – Zoom Roundtable, June 2020

“From Diversity to Inclusion: Creating a Culturally Competent Law Firm” – Presenter, Association of Legal Administrators – Webinar, May 2020

“Age is More Than a Number: Navigating an Aging Society to be More Inclusive” – Moderator, Philadelphia Chapter of the Association of Legal Administrators – Philadelphia, Pennsylvania, June 2019

“On the Move: How to Lay Down Your Path at a Firm, In-House or On Your Own” – Speaker, Pennsylvania Bar Association Women in the Profession Annual Meeting – Lancaster, May 2019

“Are You Ready for It?  The Law Office of the Future” – Co-Presenter, Association of Legal Administrators Annual Conference & Expo – Grapevine, Texas, April 2019

“All Inclusive: How to Create A Welcoming Environment” – Speaker, Cyber Chapter of the Association of Legal Administrators – Webinar, January 2019

“Taking Charge of Your Career” – Speaker, Pennsylvania Bar Association Women in the Profession Full Commission Meeting – Webinar, January 2019

“Remote Lawyers – Essentials for Setting Yourself Up to Succeed” – Co-Presenter, American Bar Association Law Practice Division – Webinar, November 2018 

“How to Motivate, Market and Measure Employee Engagement” – Moderator, Philadelphia Chapter of the Association of Legal Administrators – Philadelphia, Pennsylvania, November 2018

“Why Your Firm Needs an Employee Wellness Program” – Author, Pennsylvania Law Weekly, The Legal Intelligencer, Philadelphia – September 2018

“All Inclusive: How Chapters Can Create A Welcoming Environment” – Co-Presenter, Chapter Leaders Institute, Association of Legal Administrators – Denver, July 2018

“R-E-S-P-E-C-T: Getting Buy-In & Developing Successful Marketing Partnerships with Attorneys” – Moderator, Legal Marketing Association Northeast Regional Conference – Philadelphia, November 2017

“Training Your Attorneys to Market: Where Do You Begin” – Co-Presenter, National Association of Minority and Women Owned Law Firms Business Meeting – San Diego, February 2013

“Who Wants to Be a Marketing Expert? How To Take Your Electronic Marketing To The Next Level in Today’s Social World” – Co-Presenter, National Association of Minority and Women Owned Law Firms Annual Meeting – Atlanta, October 2012

Jessica's Writing on Law Firm Management, Diversity, Inclusion and the Elimination or Bias