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Your Accounting Team

We Work For Your Success

Our team of management accounting professionals work tirelessly to help you achieve you the success you deserve. We are committed to our clients, helping them work and live without worrying about their financial management concerns. Schedule a consultation today and see what accounting services we can offer you.

Manny Cosme

President and CEO

An entrepreneur with diverse accounting experience and a love for sharing knowledge, Manuel “Manny” Cosme is driven to help other small businesses.  Working in large and small companies - and for himself - Cosme witnessed that ongoing struggles with financial responsibilities often hold businesses back from their goals. He saw a solution and made it happen with the creation of CFO Services Group.

With more than 15 years focus on managing finances and administration, Cosme has the high-level experience and training that his clients need and want. He worked as a financial statement auditor in a national public accounting firm and left to join a small accounting firm focusing on bookkeeping, payroll, and tax preparation for small businesses.  He jumped at the opportunity to purchase the payroll processing portion of the business and incorporated it under the name of PBSG, Inc.  After three years, he successfully positioned the company and sold it to a major competitor, Fortune 500 payroll company ADP.  

Having realized how much he loved running a business, Cosme began looking for an opportunity to create one from the ground up as he gained more management experience. He became the accounting manager for the California Hispanic Chambers of Commerce and then moved across the country to accept the position of Chief Financial Officer for the United States Hispanic Chamber of Commerce in Washington D.C.

After three years as CFO, Cosme felt the time was right to launch his new business. He created CFO Services Group in 2012 and looks forward to building a national clientele. “I believe in the entrepreneurial spirit and I believe in helping others.”

Cosme credits his training as a relationship coach and his spiritual studies for his approach to understanding and advising his clients.  

“Listening, educating, being proactive. Those are the ways I can make a difference,” he said. “Owners seem comfortable talking to me and that helps head off problems.”

In addition to leading the team at CFO Services  Group, Cosme serves as the Treasurer of the Board of Directors for both the Equality Chamber of Commerce DC Metro Area and the Greater Washington Hispanic Chamber of Commerce, and is Finance Chair for Entrepreneur Organization DC Accelerator program.

Cosme graduated summa cum laude from the School of Economics and Business Administration at Saint Mary's College in California, with a dual major in Accounting and Economics and a minor in Mathematics.

Lin Walker

Senior Accountant

Lin Walker is a primary point of contact at CFO Services Group and her extensive business background provides a broad perspective for helping you with day-to-day details and big-picture decision making. She has been with the firm since June 2017 and also has experience in the nonprofit accounting sector, hands-on operations management at smaller businesses and HR expertise.

As a senior lead accountant, Walker onboards new clients, provides CFO-level consulting and strategy, conducts quality control reviews of client files and provides training to strengthen the skills of our growing staff. She was promoted to the position in October 2018 and is devoted to developing a strong team. “We all work well together and my mission is to build on that teamwork with consistency, new skills and communication.”

Previously she served as senior accountant for the donor-advised fund Razoo Foundation in Alexandria, Virginia, where she supervised and ran disbursements of millions of dollars in donations. She also was the operations manager at Garza Law Firm in Rockville, Maryland, and HR and accounting manager at Global HealthCare China in Shanghai. Previous positions provided her a solid foundation of accounting and bookkeeping skills. Her experiences created a strong appreciation for diversity.  “I’ve worked and traveled all over the world. I love knowing different people and different cultures. I’m an open-minded person to work with,” she said.

When her career took her to China, she volunteered at an orphanage for children awaiting surgery and adoption. Outside of the office, Walker loves traveling “to anywhere with water.”

​Walker is a graduate of California State Polytechnic University-Pomona with a Bachelor of Science degree in Business Administration

Cheryl Roberson

Full Charge Accountant

Cheryl Roberson brings more than 15 years of management experience and a love for details to her bookkeeping responsibilities at CFO Services Group. Her extensive business background helps her understand client needs and viewpoints as she handles reconciliations, payroll and other duties.

“The best part is seeing accounts balance. It is so satisfying,” she said. “I love numbers – they stick in my brain. That realization led me to pursue my accounting degree while working full-time.”

In addition to her determination for accuracy, Roberson cultivates a personable approach with clients. “I have a very caring attitude. Clients can appreciate that I am trustworthy and responsible. I enjoy learning about new clients.”

Roberson’s previous work includes leadership positions at a large university’s bookstore where she handled annual reconciliations, contract negotiations, financial reports and other business functions in a fast-paced environment. She has a sharp eye for process and her help streamlining accounting reports resulted in increased textbook sales. As a department leader, Roberson managed 25 to 30 employees and was proud to reduce inventory losses by clearly communicating policies and procedures.

Her depth of corporate experience provides welcome perspective to our clients as she can relate to their challenges. Roberson is completing her Bachelor of Business Administration degree at the University of the District of Columbia and plans to continue her studies to fulfill CPA requirements.

Working and studying don’t leave a lot of spare time, but she enjoys spending quality time with friends and family, especially her teenage daughter. For Roberson, her daughter is the motivation behind all of her goals and hard work. “Showing her that it is possible to succeed as a woman is my way to empower her. I was influenced by my sister and now it is my turn to be a role model.”

Zuzu Mered

Associate Accountant

Zewditu "Zuzu" Mered tackles her bookkeeping duties at CFO Services Group with a can-do attitude and understanding of our clients books. She enjoys being able to assist and become familiar with the clients needs from the lead accountants in any of the bookkeeping tasks and projects at CFO Services Group.

“I want to be able to assist the team in making clients feel comfortable in understanding their finances. I want to utilize my accounting knowledge and continue building long lasting relationships with our clients. Being able to gain hands on experience working in accounting while continuing my education has been a win-win.”

“Accounting can sometimes be intimidating and I want clients to know that we are here for them and want to succeed together!” Open communication and working on a great team is what makes this job enjoyable”

Zuzu’s previous work includes finance associate and accounts payable roles working in property management and non-profits. She has gained exposure to various accounting software and systems and interacting with clients on a daily basis.

“I want to be able to always make sure my customer service is up to par and my skills are always up to date by participating in ongoing weekly training." Zuzu is completing her Bachelor of Science degree at George Mason University and plans to fulfill her CPA requirements as well.​

Juggling school and work takes up a lot of her free time but when she does have time to spare you can catch her trying different foods in the area with family and friends and brushing up on her piano skills.

Melissa Hernandez

Executive Assistant

Melissa Hernandez first launched her career with 10 successful years climbing the corporate ladder, managing and directing operational activities for a Fortune 500 company.  Her main responsibility focused on evaluating operational soundness for all offices within her three-state territory.  She ensured all personnel adhered to compliance policies, federal regulations and refined internal processes for the sound application of risk-based practices.  Under her leadership, Hernandez’s offices exceeded operational expectations for a continuous 12-month period.  Hernandez also was responsible for coaching and leading her teams in developing and maintaining positive client relations to ensure long lasting relationships.  During her time in this role, her territory maintained the highest Gallup Poll ratings with the company’s 16-state footprint. 

As an Assistant Vice President, requiring extensive travel and being supported by her own assistant, Hernandez shifted her career in a completely different direction and became an assistant herself, transitioning into the role as an Executive Assistant to the President and CEO of a non-profit.  There, she managed multiple projects, provided exceptional client experiences, while streamlining office operations for significant productivity gains.  During this time as an Executive Assistant, Hernandez has been privy to behind the scenes insight on the continuous level of work and commitment required for “true business” to be executed.

Hernandez is a highly reliable, efficient and dedicated multi-tasker.  Her well-rounded experience in both a support and executive level management role, versatile skill-set, paired with her natural passion to assist others in their own success allows for executives and entrepreneurs alike to find organization within their personal and professional lives. 

Hernandez maintains her sanity by attending boot camp workouts religiously and regular text messaging sessions with her girlfriends, because picking up the phone can sometimes require entirely too much focus after a long day.   Hernandez is a graduate of the University of Alabama, where she studied Public Relations and Social Welfare.