About Group Coaching HQ's Group Coaching Training

Founding Team

Dominique Mas, PCC

Co-Founder, Chief Executive Officer

A life-long learner, Dom is fueled by her extensive career in educational leadership, living and working in Europe, Asia and the U.S. In 2017, she took a leap to transition to the coaching world and combined all the skills she had mastered through her varied experiences.

As Head of Coaching and Curriculum at Medley, a venture backed startup for 3 years, she helped build the company from the ground up, creating group coaching programs for companies such as LinkedIn, and many others. She has trained hundreds of coaches in the art of group coaching, and coached outstanding leaders at the intersection of their professional and personal lives.

Passionate about creating engaging growth opportunities for individual and groups, she uses the Hogan assessment and visual thinking techniques in her trainings and coaching and she is a certified LEGO® SERIOUS PLAY® Facilitator and coach. Dom is also a Certified Mentor Coach.

She brings a wide scope of knowledge from her education. She holds a Post-Graduate Certificate in Education, a Masters’ in Educational Leadership and Change, and coaching certifications from the NeuroLeadership Institute and the International Coaching Federation.

She is a surfer and adventurer, and she lives a peaceful life in Brooklyn, NY with her partner, the artist Swissipino and Professor the awesome dog.

Maribel Alemán, PCC

Co-Founder, Chief Learning Officer

Maribel partners with corporate clients to address a broad range of challenges. Whether the focus is on developing a Leader’s strengths; carving a path to maximize a team’s performance or enhance a team’s structure or processes, the initiatives created from these partnerships are geared to ultimately support the Leaders’ and the organization’s goals.

As an Executive Coach and Professional Trainer Maribel has partnered with such organizations as Chief, HBO, TED, the U.S. Defense Intelligence Agency, National Australia Bank, Viacom, Hess Oil, Roche, Hatch Mott MacDonald, MTV, American Management Association, A+E Networks, History, H2, Lifetime, Prudential, Verizon, Provident Bank, the New York Times and many more.

Maribel earned her M.B.A with a concentration in Management and Global Business from Rutgers University. She is a Certified ICF PCC Coach. Maribel also holds Coaching Certifications from the Gestalt International Study Center, Global Team Coaching Institute and Marshall Goldsmith Stakeholder Centered Coaching. She is certified in various 360 and style assessments including Hogan, CDR 3-D Suite, Korn Ferry PDI 360, MBTI, Social Styles, DiSC, TKI and Strengthscope. She has been featured in FOLIO, as well as in Workforce Magazine. She has been a guest speaker at professional and business organizations such as CTHRA and BCFM.

Instructors and Guest Coaches

Marsha Prospere, PCC

Instructor and Guest Coach

Marsha Prospere, PCC, Founder and Certified Executive Coach at Adept Flow, passionately believes in the profound impact of the professional development space. The significant amount of time we spend at work presents vast opportunities for positive change. Marsha is dedicated to transforming the workplace so that it balances organizational growth and performance with a healthy, safe, and positive culture. In her role, she partners with founders, executives, and teams, facilitating their development journey through coaching, training, and conversation.

Marsha is an ardent champion of coaching and its positive impact. She’s a Certified Mentor Coach and provides guidance and support to development enthusiasts looking to become a coach and existing coaches looking to improve their skillset or uplevel their coaching certification.

Marsha's unique blend of experience, skill, and intuition enables her to create a trusting, open environment where clients attain enhanced clarity, performance, and overall fulfillment. Her approach is anchored in the values of curiosity, creativity, connection, engagement, and growth, fostering a brave space for contemplation and revolutionary change. Beyond her professional realm, Marsha enjoys traveling, hiking, and spending quality time with family and friends.

Mark Guay

Instructor and Guest Coach

Mark is an integrated coach who lives in San Diego, CA with his wife and son. He believes in the untethered ability to tap into our wildness and manifest our unlimited potential. Yet, this natural ability is often stripped away through the currents of shame and the capital T Truth that change.is.hard.

He hopes that his decades of study will guide you to your deepest sense of Self: one that aligns with mind, body, and soul. He holds a master's degree in education, is a 200ryt Yoga Alliance instructor, and a featured meditation teacher on Insight Timer.

Catherine Pao, CPCC

Guest Coach

Catherine is a certified holistic leadership coach who focuses on cultivating inner leadership and re-connecting with intuition. She helps bring conscious intentionality to executives and teams through management leadership trainings, group coaching, and her 1:1 coaching practice. Her approach is practical and no-nonsense, yet also supportive, empathetic, and empowering, blending right and left brain techniques. She's worked with leaders and teams from Google, Facebook, Pinterest, IDEO, Twitter, Nextdoor, HackerOne, Github, and various startups.
Formerly, she led various digital marketing and growth product management teams at Blue Apron, Digital Ocean, Fab.com and Microsoft. She's a certified professional Co-Active Coach (CPCC) and certified Yoga Instructor (RYT-300). When she's not coaching, you can find her creating playlists on Spotify, dancing 5Rhythms, or exploring her creativity through writing and paper collaging.

Kacey Cardin, CPCC

Guest Coach

Kacey Cardin, PCC, is an executive coach, TEDx speaker, certified psychedelic-assisted therapy practitioner, and creator of the EnQ: Energetic Intelligence™ framework. Kacey’s clients make a global impact at companies including Google, Disney, and ABC, as well as through their own bestselling books, films, and viral TED talks. Kacey specializes in zeroing in on what deeply matters to her clients about how and why they want to change the world, and she settles for nothing less than each client’s truth and greatness in action. You can learn more at www.enleadership.com and www.kaceycardincoaching.com.
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