20+ Years of Experience in Cybersecurity Recruitment

Philip Madison is a woman-owned, executive search firm dedicated to the recruitment of cybersecurity professionals globally. Our team works with security vendors and corporations to cover the full spectrum of security experts. Interacting with growth-oriented entities from series A to publicly traded multibillion firms, we specialize in the following areas:

  • CRO & Sales Teams
  • Sales Engineering
  • HR & Recruitment
  • SOC Leaders
  • Security Engineers of all levels
  • Product Management
  • Product Marketing
  • Marketing & Communications
  • Implementation & ProServ

Philip Madison’s search geographies encompass North America, Europe, LATAM and AsiaPac.


Philip Madison focuses on precise behavioral, cultural and competency matches, which enables us to identify talents who are the right fit at the right time. Our systematic process allows us to provide organizations with just-in-time analysis, thus maximizing the productivity and time to market of consultant-client relationships. Philip Madison’s own cultural diversity adds the right mix of specialized skills to the identification and diligence process, ensuring that it will occur discretely, in the fastest, most efficient manner, with the greatest probability of ROI.

Working with growth-focused cybersecurity leaders is our passion. Philip Madison’s team quickly determines the market dynamics, competitive ecosystem and adjacent solution providers that may represent relevant talent.

By applying retained level search processes to all searches, clients can expect a strong level of understanding of the profile and, as such, will meet relevant and qualified candidates from the start. We deconstruct the drivers, motivations and aspirations thoroughly so we can ensure a good fit with the long and short-term goals of the organization.

Maintaining focus on such goals ensures that the end result is the recruitment of the best and brightest bench that can drive inflection points in a company’s growth.


Advisory Services:

Business Development & Strategic Alliances:

Leveraging over 20 years of relationship building and business development within the information technology ecosystem, Philip Madison is able to help young, growing companies connect with new business and partnership opportunities.


With a broad scope of relationships with information technology board members and investors, Philip Madison connects early stage firms with funding opportunities as well as established companies with significant capital opportunities:

  • Cyber Security
  • AgriTech
  • Fintech
  • Electric Energy

Board Opportunities:

We are uniquely positioned to uncover board level posts within the cybersecurity ecosystem.




Elizabeth Sheridan, founder of Philip Madison, has been building client relationships and recruiting internationally for over 20 years. The prior decade of functioning in sales and operations roles within the financial sector gave Elizabeth the solid business foundation that has helped shape her consultative approach. Her passion for sales and desire to work with start-up organizations led her to the recruiting world. Elizabeth founded Philip Madison in 2007 after earning the status of top producer in a Boston-based recruiting firm and again in New York City.

While focused very heavily within security for 20+ years, Elizabeth has built several practices along the way—within HR consulting, legal, manufacturing, IT contract staffing and various areas of financial services, including equity brokers and mortgage specialists.

Responsible for developing business and recruiting talent, Elizabeth’s search methodology was built around individual accountability for results.

She has an outstanding track record of being a dedicated partner that uncovers and attracts talented professionals with the specific skills and experience necessary for the job, as well as the right personality and cultural fit for clients. Likewise, her expertise in the stages and subtleties of the hiring process ensures that she is able to help candidates qualify opportunities equally as well.

Well-known for her direct style, qualification skills, accessibility and thorough follow- through, Elizabeth works with and advises candidates and clients in various industry sectors domestically and internationally. She has a passion for volunteering and supporting organizations that help our military veterans.


Liz Vagenas has been internationally recruiting for over 22 years. Liz is a former human resource manager and trainer with over 22 years of staffing experience, serving as a leader of and a consultant to corporations on a national and global level. Additionally, she is a certified life coach specializing in career coaching and life transitions.

As a former vice president of staffing and development, Liz has managed multiple office locations for several corporations and has served as a corporate recruiter, staffing advisor and trainer in the cybersecurity, technology, human resource, legal and manufacturing areas. Liz’s many accomplishments during this time include repeatedly increasing profitability by massive margins.

In addition to her consultative and creative management expertise, Liz offers extensive knowledge in the areas of behavioral interviewing techniques, coaching, screening and selecting top candidates and evaluating current staffing processes. Liz has served on the board of directors for the Massachusetts Association of Staffing Services and the Boston Human Resource Association.

She has served as an advisor to the Boston Public School System’s Job Placement Advisory Council and her volunteer community involvement includes a membership with the Boston Minstrels Group, a singing group that performs for homeless shelters in the city of Boston.