Mark Pietrowski serves as President and CEO of Pinnacle Employee Services and has over 16 years of experience in the payroll, human resources, and PEO industry. He started his career as an account executive for Lamar Advertising, the nation’s largest outdoor billboard advertising company, where he quickly rose through the ranks from a salesperson in Syracuse, New York to Vice President/ General Manager in Fayetteville, North Carolina, and later transferred to a larger office in Toledo, Ohio.
From Lamar, Mark transitioned to the payroll industry when he joined Paychex, a leading payroll provider. There he sold their human resources programs for 6 years and was honored as District 30’s MVP of the year in 2007. In 2008 Mark went to work for a Syracuse, New York-based PEO where he learned the nuances of professional employer organizations over his six-year tenure.
In 2014 Mark led the management team at Pinnacle in launching Pinnacle Employee Services (PES) with the goal of providing superior service to clients utilizing the industry’s lead technology, robust benefits, and wellness plans, and a well-rounded staff of professionals
Beth Eckert, PHR®, SHRM-CP
Vice President of Human Resources
Beth Eckert is the Vice President of Human Resources. She brings over 20 years of experience to the team with her extensive knowledge of Human Resources and Payroll. Prior to joining Pinnacle Employee Services, she managed the Human Resources department for mid-size companies in industries including hospitality, environmental remediation, and a global emergency response services company.
Currently, Beth leads the Human Resources and Client Service team at Pinnacle. Her areas of expertise include employee relations, benefits administration, HR infrastructure and policy, and procedure development.
Prior to joining the PES team in late-August as an Executive Assistant, Kevin spent six years working with North Carolina State University managing on-campus housing communities for NC State students down in Raleigh, North Carolina. Born and raised in Cicero, Kevin was ecstatic to return to New York as a graduate of CNS High School and the University at Buffalo. Away from the office, Kevin enjoys spending time with his family, golfing, cheering on his favorite sports teams (Buffalo Bills, Syracuse Orange, New York Mets, and Carolina Hurricanes), exploring the local food scene, live music, beaches, and hanging out with his four-year-old beagle, Millie. If you happen to swing by the PES office, you will find Kevin at the front desk with a smile. Come say hello and feel free to share any music or food recommendations as he looks forward to meeting all of Pinnacle!
Employer Solutions Specialist
Alex graduated from Canisius College in Buffalo NY with a degree in Sports Management. During his time at Canisius, Alex spent all 4 years on the men’s baseball team. Alex has always had a passion for sales and enjoys being able to meet new people and assist them with their needs. When Alex isn’t working, you can find him at the gym or on the golf course. Alex will be a valuable asset moving forward in the growth of Pinnacle Employee Services.
Kristian Krause, FPC
Senior Implementation Manager
Kristian Krause, Payroll Manager, has ten years of experience in payroll. Prior to joining Pinnacle Employee Services, she managed payroll implementation for another local payroll company. She has experience managing payroll for commercial real estate companies, restaurants, prevailing wages, small to large businesses, and has worked for one of the largest payroll companies in the country. She is FPC certified as of 2021. Currently, Kristian is managing the payroll team at Pinnacle.
Senior Implementation Specialist
Claire graduated from the University of Mount Olive with a bachelor’s degree in Human Resource Management in 2017. During her time at Mount Olive, she was on the women’s lacrosse team. Claire brings here 3 years of experience in Human Resources including an HR internship with American Medical Response and her position as a Human Resource Assistant at Medical Answering Services where she was promoted to Human Resource Generalist in 2020. Claire is a valuable asset to the PES team where she furthers her career as an Implementation Specialist.
Elena joined Pinnacle Employee Services as an Implementation Specialist in August 2023. She received her master’s degree in human resource management from Stony Brook University in 2019 while working as a Recruiter for Turning Stone Resort Casino. More recently, Elena has been working in property management and is excited to be back in a human resource role. She has a total of 10 years of experience in customer service-related roles and is excited to bring her knowledge into implementation. Elena is a valuable asset to the PES team where her varied experience will be utilized!
Gina Gilbert, PHR®, SHRM-CP
Director of HR Partnerships
Gina Gilbert joined Pinnacle as a Senior Human Resources Manager in October 2022. Gina’s extensive 20 year background in the Human resources field will be an asset to the Pinnacle Team. She has worked with many mid-large size companies including, manufacturers, HVAC Companies, Non for Profit, Restaurants, etc.
Gina is excited to bring her expertise to Pinnacle which includes the following: Recruiting, Benefits Administration, Employee Relations, and Policy and Procedure Administration. Gina is certified with her PHR through SHRM and her CP through HRCI and is looking forward to continuing her education and training when she goes for her Senior PHR.
HR Business Partner
Shari Jackson is a Human Resources Business Partner. She brings 15 years of experience to the team with her knowledge of Human Resources and Payroll. Prior to joining Pinnacle Employee Services, she was the Office Manager for mid-sized companies in the environmental remediation, demolition, and emergency response industries.
Currently, Shari is a part of the growing Human Resources and Client Service team at Pinnacle. She is knowledgeable in benefit offerings, training and development, and team building.
HR Business Partner
Tammie Alnutt joined Pinnacle Employee Services as a Human Resources Business Partner. She brings over 10 years of experience to the team including HR, payroll, and accounting in the food manufacturing and warehouse industries. Prior to joining Pinnacle, Tammie was a Human Resource Manager at a mid-sized facility services company in Central New York. She is knowledgeable and excited to provide exceptions HR services to Pinnacle’s clients.
HR Business Partner
Jacquelynn joined Pinnacle Employee Services in August 2023 as a Human Resources Business Partner. With a robust background spanning over 13 years in banking, payroll, accounting, and HR, she brings a wealth of knowledge to her role. Before joining Pinnacle, Jacquelynn served as a Human Resource Administrator, where she managed all HR and payroll operations for a mid-size non-profit organization. In July of 2023, she earned her SHRM-CP certification, further enhancing her professional qualifications. Jacquelynn is enthusiastic about collaborating with Pinnacle’s esteemed clientele, as well as expanding her knowledge base and pursuing additional certifications in the future.
Senior Benefits Manager
Mackenzie Edinger is the Benefits Administrator at Pinnacle Employee Services. Prior to joining the team Mackenzie spent over 7 years at Syracuse Orthopedic Specialists where she worked her way to the Human Resources Assistant. While learning all aspects of the job her main focus was benefits and payroll.
Currently Mackenzie works with all of Pinnacle Employee Services Client’s to offer Benefit support and development. Her areas of expertise are health insurance, customer service and leave of absence including Family Medical Leave Act, Paid Family Leave and Disability.
Nina joined Pinnacle Employee Services in June 2022 as a Payroll Administrator and transitioned to Benefits Specialist in 2023. She has over 7 years’ experience working in finance, banking, and payroll. Nina also has managerial experience, is great at communication, team building and loves to boost morale. She lives by the quote “It’s a great day if you make it a great day” and thoroughly enjoys spreading positivity, knowledge, and laughter to everyone she encounters. Nina is a valuable asset to the Pinnacle team where she’s enthusiastic to further her career, grow her skills and flourish in the company.
Alysha Jasewicz, CPA
Director of Financial Operations
Alysha is a Certified Public Accountant in the State of New York. She graduated from SUNY Oswego with her Bachelor of Science degree in Accounting in 2017 and her Master in Business Administration degree with a concentration in Public Accounting in 2019. Prior to joining PES in 2020, she was a Tax Accountant at a regional public accounting firm located in Syracuse. Alysha has experience in several areas in public accounting, including corporate and personal income tax compliance and planning, auditing, and accounting services. She has helped to streamline accounting processes, handles recordkeeping with the accounting department, and helps with ad hoc client needs. In 2022, Alysha was named Controller of PES. In her new role, she provides leadership to the accounting team and oversees all financial activities as the company continues its strong growth.
Senior Payroll Manager
Hope has been in the payroll business for almost 40 years, with over 20 of those years being in the PEO business. She has processed many types of payrolls from the easiest to the most complicated. With more than 10 years of management experience, she loves to be a problem solver. Hope loves a challenge, the harder the better. She has an AS in Accounting and has gone through Internal Auditor training, both of which totally relate to what she enjoys doing most.
Payroll Administrator I
Stevie joined Pinnacle Employee Services in 2021 as a Payroll Administrator.
Stevie studied Business Administration at Onondaga Community College and brings over 10 years of experience in the payroll field having worked at 5 years at ADP as a payroll specialist, 2 years at ADMI as a payroll administrator, and 4 years at ARM as a payroll and benefits administrator.
Stevie is excited about the opportunity to assist our clients with their payroll needs.
Payroll Administrator I
Brieonna studied Business Administration at Cayuga Community College and graduated with her Associate’s Degree in 2016. She has worked in Finance/Payroll for the last 5 years. Brieonna has strong communication skills which she has developed while working in Customer Service related positions for the last 16 years. She’s excited to bring that knowledge and experience to Pinnacle Employee Services’ payroll department.
Kah’moni joined Pinnacle Holding Company in 2023 as a Staff Accountant. Prior to joining Pinnacle, she worked in cash management for Aspen Dental. Kah’moni is a very passionate and driven individual who will work hard to achieve her goals. She’s always loved math – except for geometry and calculus in high school, is a people person, and loves putting a smile on people’s faces. She earned her Associate’s Degree in Accounting from Onondaga Community College in 2017 and continued her studies in Atlanta where she began to pursue her dream of modeling. Kah’moni has worked in many different areas from retail and e-commerce sales to medical billing and banking. In her free time, she enjoys traveling (mostly to warmer climates), modeling, and spending time with her family.
Director of Recruiting
Charlotte Dieroff started the Pinnacle Talent Solutions division in September 2021, and attends to recruiting needs for both the Pinnacle Family of Companies as well as external clients across New York State. With a BS in Food Science from Cornell University, Charlotte spent 20+ years in food industry R&D, developing product for major Consumer Product Goods clients. Charlotte transitioned from hands-on product development to client management before moving into the recruiting industry.
Pinnacle Talent Solutions works across a wide variety of industries and prides themselves on close knit client relationships.
Mary Trisciani is a Senior Recruiter reentering the field of recruiting after raising her 3 children. She began recruiting while living in California’s Silicon Valley. The database she worked with was exclusively alumni from the top 21 schools in the country and she made placements for Engineering, Technology, Upper Management, Healthcare, and several other industries. Recruiting was then, and still is, a job that didn’t feel like a job. For Mary, it is a space to think about the needs of both client and candidate, while developing those relationships to understand what is needed and what is offered. Currently, Mary is serving on the Board of Directors for the Manlius Senior Activity Centre. She holds a BS from The University of New Hampshire in Therapeutic Recreation. Other roles Mary has had include Accounts Receivable for her family’s business, Administration, and in 2020, she started her own business refinishing furniture.