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About

Founders, C-Suite decision makers and boards choose EnterGain to gain the talent, capability and scale they need to fuel the enterprises they lead. 

  • Executive Recruiting - EnterGain clients gain talent in all functional areas from Director to the C-Level.  Our executive recruiting solution provides the highest level of service, working with you to craft a compelling position requirement, curating diverse qualified talent pools, facilitating interviews and working with you to onboard the right hires. 

  • Leadership Development - EnterGain clients gain capability; from founders to first time managers our clients upskill as leaders and become more intentional communicators and more inclusive bosses.   EnterGain provides executive coaching and creates and facilitates bespoke learning programs for your managers and leaders, empowering them and their teams to achieve more for your businesses, investors, employees and customers. 

  • Strategic HR - EnterGain clients gain scale, by bringing together business acumen, employment best practices and voice of employee.  EnterGain works with you to build and improve foundational HR practices, and to push your business forward with initiatives in DEI and strategic planning.  We implement what we recommend: EnterGain works side by side with you to actualize high-impact programs to scale your organization. 

EnterGain's team has deep experience in the entertainment, media, consumer, technology, services and nonprofit sectors, and is the leading firm offering a broad range of recruiting, learning and strategic HR services to the music ecosystem.   EnterGain is proud to serve a range of clients from compelling start-ups to pace setting niche players, to some of the world's most well-known organizations.   

Clients

Check out the "Our Clients" page in the menu for an interactive client list.  

The Team

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James Celentano

Managing Director & Co-Founder

Personally recruits and places talent at the director through CEO level for the firm’s clients. James has clients in North America, Europe and Asia. Previously served as VP HR at MSG and WMG. Prior Managing Director at a global executive recruiting firm. Taught at the grad level in music business at NYU and HR at New School. University of Pennsylvania BA in Psych. Columbia MBA. SPHR. 

[email protected]  917-922-6556  LinkedIn

James
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Mikal Celentano

Managing Director & Co-Founder

Sought-after executive recruiter, filling roles in marketing, digital, finance and operations. Previously ran a cause-marketing agency, and prior to that was Director Global Marketing at Tumi Inc. where she was responsible for marketing operations, ecommerce and global D2C. Wellesley BA in Art History. Columbia MBA. 

[email protected]  917-922-5238  LinkedIn 

Mikal
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Karol Mattes

Director

Karol works with C-level teams and boards to fill Director through C-level roles, and her sector expertise spans labels, artist management, live and music tech. Previously a Client Partner in the entertainment practice at a global executive recruiting firm. Karol is based in Chicago and has lived and worked in the UK and Italy. University of Illinois BS in Journalism. University of South Carolina MBA.

[email protected]  708-990-6904  LinkedIn

Karol
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Eduardo Magallanes

Senior Consultant

Eduardo is part of the firm's extended team. He runs international executive recruiting assignments and leads cross cultural executive learning programs.  He services clients in music and other industries. Previously held commercial, P&L and GM roles in the US, Mexico, Italy and Portugal and had responsibility for teams up to 1600 colleagues in 20 countries, in a career at Bayer, AbbVie, BMS and Janssen. Universidad Iberoamericana Ciudad de Mexico, BS Business. Thunderbird School of Global Management MBA.

[email protected] LinkedIn

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Eduardo
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Sigourney Bryant

Human Resources Consultant

​Sigourney is part of the firm's extended team. Sigourney is a People & Culture leader passionate about building workplaces where people feel supported, challenged, and inspired. With experience across hospitality, retail, and the arts, she combines operational rigor with a human-centered approach to culture, leadership development, and employee experience. She partners with executive teams to drive engagement, compliance, and sustainable growth through people-first leadership. Johnston & Wales University BA in International Hotel & Tourism Management and MBA.

[email protected] LinkedIn

Dione DeShields

Senior Associate

Dione fills creative, technical and business roles at all levels for music, musical instrument, entertainment, non-profit and technology clients. At a prior firm, he filled roles in the insurance and early-stage tech startup verticals.
Dione has worked as a recording engineer, and has a passion for music, theme parks and sustainability. City Tech, CUNY, Entertainment Technology and SUNY Oneonta BA in Music Industry.

[email protected]  347-860-3843 LinkedIn

Dione

Julia Gasarowski

Coordinator

Julia supports client projects with scheduling, and project and data management. She also manages logistics for learning programs and contributes to the firm’s marketing activities. Previously Julia worked in marketing and event management in the non-profit and live entertainment sectors. Villanova University BBA in Management and Business Analytics.

[email protected]  LinkedIn

Julia

Memberships

EnterGain is proud to be a member of the following organizations.

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1990 Washington Valley Road

Suite 47

Martinsville, NJ 08836

© 2026 EnterGain, Inc.

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