Network Directors

Executive Networks

Gosia Fennell
Senior Network Director

Global Total Rewards Network (“GTRN”)

Global Sourcing & Recruiting Network (“GSRN”)

Global Human Capital Analytics Network (“GHCAN”)

Gosia Fennell currently serves Executive Networks as Network Director for the Global Total Rewards Network (GTRN), the Global Sourcing & Recruiting Network (“GSRN”) and the Global Human Capital Analytics Network (“GHCAN”).

She has been with Executive Networks since March 2017.

Gosia is an experienced corporate Human Resources management professional. Her formal education includes degrees in both English and Law while she has also completed corporate coursework spanning over 30 different seminars and workshops within Human Resources and General Management. Early in her career, Gosia was selected for participation into various programs expanding the development of her leadership and management capabilities. Professional highlights have included distinguished award recognition including the Global Human Resources Award of Excellence, awarded to her within the categories of both Operational Excellence and Leadership Development.  She has a strong background in organizational development and talent management. She is well versed in compensation and benefits. As a certified coach and competency assessor she has worked both internationally and in the USA for over 14 years. She is a dual citizen of Poland and the USA.

In her free time, Gosia enjoys traveling in the USA and internationally, going to the cinema, reading books, and meeting with friends.

Gosia is based in the NYC Metro Area and lives with her husband Jim and their three sons.

Marissa Schriefer
Senior Network Director

Global Talent Network (“GTIN”)

Global HR Leader Network (“GHRLN”)

Marissa is the Senior Network Director for the Global Talent Innovation and Global HR Leader Networks.  She has extensive experience as a global Human Resources executive in the hospitality and entertainment industries.  She comes to us most recently from her own consulting firm, the Schriefer Group, helping companies design and implement HR initiatives.  Previously, she was a senior HR leader for Viacom at Viacom Media Networks, MTV Networks, Nickelodeon Animation Studios and Paramount Parks. Prior to that she worked for the Walt Disney Company.

During her 20+ years at Viacom, Marissa held a broad array of senior HR leadership and internal consulting roles serving geographies around the world. Her roles included Viacom’s Senior Vice President of Global HR operations and Regional HR Head of Asia. She is a passionate HR leader that truly values what people bring to an organization and is known for being both strategic in thought and operational in execution. She has an undergraduate degree in Business Administration from Lewis & Clark College and a master’s degree in Human Resources Development from Villanova University.  Marissa and her husband live in Haverstraw, NY. They have two adult children and one grandchild.

Trey Alverson
Senior Network Director

Human Resources Roundtable Group (“HRRG”)

Chief Talent Officer 250 (“CTO250”)

Trey joined Executive Networks in early 2019 as the Network Director for the Human Resources Roundtable Group and Chief Talent Officer 250.

He previously served as Managing Director for Harvard Group International, an Atlanta-based retained executive search firm where he co-led the public company boardroom practice. From 2011–2016, Trey served as a leader in two c-suite development and networking companies. He headed Global Executive Group’s “Executives in Transition” program, helping c-suite clients gain public company board seats and find new leadership roles. At World 50, Trey transformed the in-house publishing division and co-led the firm’s peer forums for CEOs, CHROs and division presidents of multibillion-dollar global organizations.

Throughout his career, Trey has regularly served as a ghostwriter and editor for executive leaders across a multitude of board and leadership topics. These collaborations have resulted in featured articles in the Harvard Business Review and other leading outlets, as well as two published leadership books.

Trey is also a Georgia Press Association award-winning journalist, having served first as a reporter and later as Editor in Chief of the 100+ year-old Fayette County News, an influential newspaper serving Georgia’s Third Congressional District.

Trey began his career in the U.S. Navy, deploying to the Persian Gulf and the Somali Coast as a surface warfare officer in the Pacific Fleet. He earned his commission and Bachelor of Science degree from the U.S. Naval Academy in Annapolis, Md., where he was an NCAA Division 1 athlete in track & field and cross country.

Trey lives in Atlanta with his wife, Brittany and their three young children: Dominic, Teddy and Sylvia.

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