Our Team

Founder & CEO

Jose Mas Jr. leads the execution of Mas Alpha Securities’ investment strategy, overseeing investment research, portfolio management, and day-to-day operations. As Chief Executive Officer and Chief Investment Officer, he ensures disciplined capital deployment, operational excellence, and alignment with the fund’s long-term vision.
Prior to founding Mas Alpha Securities, Jose Mas successfully deployed $500M in luxury real estate developments and helped close $3 billion of accretive M&A deals for MasTec, inc.

Head of Partner Relations

Moises Jattin began his relationship with Mas Alpha Securities as a partner, gaining firsthand experience of the family dynamic that defines the firm. Today, as Head of Partner Relations, he brings that same perspective into his leadership.
Moises builds deep, long-term relationships with every partner, shaping a one-of-a-kind VIP concierge experience grounded in hospitality and alignment. Through Moises’ leadership, each partner is treated as part of the Mas Alpha Securities family, with a level of access, care, and attention designed to reflect a truly relationship-driven platform.

Chief Financial Officer

Gabriel “Gaby” Freire serves as Chief Financial Officer of Mas Alpha Securities, leading financial reporting, budgeting, and operational oversight across the management company and its portfolio investments. He works closely with portfolio company teams to implement financial discipline, strengthen controls, and build institutional quality reporting from the ground up.
Before joining Mas Alpha Securities, Gabriel spent nearly five years in financial planning and analysis at MasTec, a Fortune 500 company, supporting a $3 billion annual revenue segment across 100+ operating markets nationwide.
Having first engaged with Mas Alpha Securities as a partner, Gabriel brings a dual perspective that combines the rigor and scale of Fortune 500 financial operations with the hands-on demands of building systems and processes in an early-stage environment.

VP of Operations

Mary deVenoge oversees operations across Mas Alpha Securities' private holdings, working hand in hand with Jose Mas Jr. to manage the firm's private assets.
An early investor in Mas Alpha Securities, Mary joined the team in an official role to help build the businesses she had backed from the start.
She leads day-to-day operations at Meadowlark, working across every department to keep the property aligned and running smoothly.
A native of Virginia, Mary has built her career in hospitality, including four years in Colorado's Vail Valley, where she gained experience in the mountain resort industry. She is known for her focus on operational excellence and her commitment to creating exceptional work cultures.