Meet Our Team

Sharon Olzerowicz President and CEO

As President and CEO at Hire by Matrix since its founding in 1986, Sharon has been passionate about making matches. Whether aligning HbM to clients or candidates to careers, Sharon works tirelessly at putting the right people and companies together to ensure success. As an entrepreneur and operator, Sharon has a successful track record of delivering both top line growth and bottom line margin regardless of the environment. As an active member of the Women’s Business Enterprise National Council (WBENC), Sharon is also hyper committed to empowering those that are disadvantaged. This commitment is exemplified by Sharon’s contributions mentoring WBEs, building a Diversity & Inclusion strategy, supporting The Committee of 200 Foundation Protégé Program, being honored as one of WBENC’s Women of Distinction.

Sharon’s activities outside of leading HbM includes spending time with her 5 children and spoiling her growing extended family of grandchildren, traveling, reading and playing tennis.


Sharon Olzerowicz

Evan Olzerowicz Vice President, Business Operations

Evan is our energetic relationship manager who thrives on building and motivating a cohesive team of high-performing internal and external recruiters. His favorite thing about working at Hired by Matrix is the staff camaraderie and helping to make an impact on clients’ business trajectories and candidates’ careers.

When he’s not mapping out goal oriented recruiting strategies, he loves spending time with family and friends, playing golf and reading. If he could switch places with anyone for a day it would be with his dog.


Evan Olzerowicz

Sean DeAvila Vice President, Strategy & Client Delivery

A seasoned executive with a passion for transforming and creating high-performing sales and delivery teams. Sean has an established track record of delivering sustained growth and success for both clients and equity holders; supported by a broad set of experiences in the staffing, insurance, and software enabled services space. An intuitive leader, who leads with a selfishly altruistic perspective through a people-first approach. Sean has consistently executed on strategies to improve revenue, identified paths to elevate team members, and delivered services that delight clients.

Sean spends his downtime participating in CrossFit, recently taking up kite surfing, salt water fishing, and spending time with his two children watching them excel at water polo, soccer, and baseball.

Sean DeAvila

Mark Santora Head of Talent

Mark is a Global Talent Leader who’s been delivering data driven solutions for over 2 decades. He is a strategist with a passion for finding innovative ways to move beyond traditional recruitment practices. He is a forward thinker and has a proven track record of helping his teams attain new levels of achievement through his coaching, mentoring and genuine caring for his team’s success.

In his off-time, Mark enjoys spending time with his wife and 3 daughters. He enjoys watching his favorite sports teams on and off the field and coaching his daughters in several sports. You can often catch him on bike rides with his girls or spending time with his family at the beach.

Mark Santora

John Dix Senior Account Executive

John is a pro at understanding our clients’ needs and providing them with superior support on a daily basis to ensure their success. His favorite things about working at Hired by Matrix are the people as well as the personalized services given to each and every client.

When he is not working side by side with our clients to ensure their needs are being met, he loves doing anything golf related. If he could switch places with anyone for the day it would be with a White House Press Secretary because of their access to top information and ability to think fast on their feet.


John Dix
30 Years of Excellence