Download PDF

Work experience

Mar 2008Present

Director of Human Resources

Rinnai America

Wholly-owned subsidiary of The Rinnai Corporation, Nagoya Japan, the largest manufacturer of gas appliances in the world. Rinnai America markets and distributes ductless heaters, tankless water heaters, and cooking products. 4,000 employees, $3B revenue.

Recruited to collaborate in the strategic re-alignment of Rinnai America's organizational model to adapt to a 35%-40% growth pattern. In this role, I have transformed the existing HR function from administrative support into a strategic & tactical partner. Working with the Japanese President and Board of Directors, I have guided them in developing a multi-year strategic human capital plan; hiring of key executives and management personnel; redesigning employee performance management systems and reward programs; and implementing supervisory and management training programs to enhance leadership development in support of firm's business initiatives.

 Additionally, I am counsel to Japanese management on U.S. and local employment regulations & requirements, and aid them in coordinating visas and immigration for Japanese delegates and international advisory board. 

Jul 2004Feb 2008

Director of Human Resources


The result of a merger of 3 separate companies, Axiant is a leading IT service provider dedicated to helping consumer finance creditors and debt purchasers improve the effectiveness of their A/R efforts; 1300 associates, $750MM revenue.

Responsible for developing, implementing, and directing all aspects of a Human Resources function. In this role, I created a complete HR department inclusive of all processes, procedures, reporting/analysis, and team development; implemented full spectrum HRIS solutions, including employee and manager self-service programs; redesigned benefit programs to consistently reduce costs to firm and to employees; and created a "balanced scorecard" approach to employee performance analysis.

 I played a primary role in implementing the merger of 3 distinct companies into one firm, growing the employee base of the core company from 450 to 1230 in the span of 60 days, and relocating headquarters of new company from Atlanta, GA to Rockville, MD.

Jun 1996Jul 2004

Director of Human Resources

Division of West Corporation, specializing in communications services, financial services, and receivables management; 1,200 employees; $450 million in annual revenues.

Led all aspects of Human Resources for 1,200 employees in six office locations, including the accomplishments of: Start-up of three offices and two acquisitions of 50-100 employees each during an 18-month period; logistics for recruiting, hiring, and training; policy/procedure development; and employee relations; directly supervised team of nine.

Before my appointment as Director of HR, I held multiple roles of increasing responsibility, including: Recruiter, HR Generalist, and Division HR Manager.

Professional Affiliations

Selected Accomplishments

Talent Management

- At Rinnai, worked with President and General Manager to implement cost reductions in turbulent economy; reduced costs by 8% without resorting to layoffs.

- At Rinnai, Worked with senior management in organizational redesign, eliminatingnearly $1MM in unfilledbudgeted positions

- At Axiant, Grew employee base by 20% annually, while reducing payroll-to-fees by 18%.

Reward & Benefit Programs

- At all 3 companies, reduced overall benefit costs to company by 9%-17%, while providing better-than-market plans to employees.

- At all 3 companies, redesigned compensation programs into pay-for-performance structures, reducing fixed payroll by up to 25%, while improving critical employee retention.

Employee Development

- At West, reduced staffing and training costs per employee by 22%

- At Rinnai, established training plan programs targeted in improving ROI by 22% and enhancing employee IP.

Performance Management

-At Axiant, reduced voluntary turnover by 62.4% over 3-year period through improved performance management process

- At West and Axiant, dramatically reduced employee management costs by over 40% through introduction of new HRIS systems.

- At Axiant and West, tripled total employee size while reducing HR-to-employee ration from 1:100 to 1:125


Mark Cook is an accomplished Human Resources Executive who specializes in high-growth, performance based organizations. Mark advises and educates executives from early-stage to mid-sized companies on how to create transformational business results through Human Capital strategy. His 15 years in business include senior level roles in financial services, legal services, communications, and manufacturing wholesale.

Mark provides your company with the tools needed to implement human capital management as a successful business strategy. He possesses the real-world, practical skills and knowledge to help align your HR department into a partner in powering your business.

 Mark receives high praise from the executives he works with, and is often described as forward-thinking, professional, knowledgeable, engaging, and results-minded.



Kennesaw State University


University of Georgia

Executive Profile

Senior Human Resource Executive with a record of achievement through partnerships with the top management of high-growth, high performance cultures; acknowledged for developing talent management programs that consistently deliver business results; exceptional capacity to plan, direct, and execute leading-edge practices; able to produce measurable results with emphasis on strategic planning, total rewards systems, staffing, succession planning, human relations and process implementation.

What Others Say

"Mark values the relationships he develops. He is an honest and caring individual, bringing a synergistic balance between friendship and work. I highly recommend that if you have the opportunity to develop either a professional or personal relationship with Mark ... don't hesitate ... do it!"

- Bill Kleftis, Engineering Director, Con med Utica February 12, 2009

"...I owe a great portion of my success in my current role ... to the tutelage and mentorship he provided.

- Darren Harrell, PHR, HR Manager,  October 17, 2008 

"...He is always thinking ahead and is very organized and proactive regarding employee benefit plan decisions. He sees the big picture and is always thinking of ways to improve the environment for his employees while keeping an eye on costs."

- Mark Conner, Partner, Dominium Benefits

"Mark [stands] out as a true HR professional and one of the most forward thinking clients I have worked with. His responsiveness and commitment ...[are] second to none. There was never a time I worried if Mark would live up to his end of the deal- if he said he was going to do something, he would find a way to get it done. Anyone who has the pleasure of working with Mark will experience nothing but true professionalism."

-Nicole Gouveia, National Accounts ADP July 7, 2008

"...His HR knowledge base and vision is peerless among HR Professionals in Atlanta. If you want to know where the future of HR Leadership is going, just give Mark a call. He is easy to work with, super responsive, and very direct."

- Richard Primm, ADP January 28, 2009


Senior Professional in Human Resources (SHPR)