AION Management

Redefining The Apartment Living Experience

AION Management was formed in 2017 to create a “Best in Class” property management company dedicated to providing excellent customer service and value to our residents. AION is one of the fastest growing property management firms in the Mid-Atlantic, with more than 11,000 apartments under management. In 2020 AION Management was recognized by the Institute of Real Estate Management (IREM) as an Accredited Management Organization (AMO®). Joining an exclusive group of nearly 600 real estate management companies worldwide that have met the requirements to earn this distinction. We are committed to redefining the apartment living experience by adding more value to each residence with modern interior finishes and the addition of capital improvements. These core values combine to create homes that all residents can enjoy.

Our Executive Team brings significant industry experience and leadership to AION Management. Led by President Robin Flagler, AION’s leadership includes four National Apartment Association Education Institute (NAAEI) faculty members, several ARM and CPM designees through IREM, and several CAM and CAPS designees through the NAAEI.

Our Mission

To provide our residents with a best in class living experience through our dedication to understanding their needs & offering exemplary customer service all while empowering our team to deliver value to our investors, partners & AION.


Aspire for excellence every day & in all that we do.


A trend setting company that utilizes the latest technology to streamline systems.

One Team

Act with integrity, show respect & trust for each other. One Team One Dream.

Next Level

Always challenging ourselves to think outside of the box with an entrepreneurial spirit while embracing new solutions.

Executive Leadership

Robin Flagler

Robin Flagler


Billie Jo Sedlacek

Billie Jo Sedlacek

Vice President of Real Estate

Angela Cramp

Angela Cramp

Vice President of Marketing and Training

Tamida Edwards

Tamida Edwards


Sage Kralik

Sage Kralik

Operations Director

Todd Markiewicz

Todd Markiewicz

Vice President of Service Operations

Senior Operations Team

Colleen Bruni

Regional Real Estate Manager

Colleen Bruni is a Regional Real Estate Manager for AION Management, she has overseen properties in Delaware, Maryland, New Jersey and the Philadelphia region. She has worked in the multi-family housing industry for almost 10 years and has experience with many different types of apartment communities. Colleen earned her Bachelor of Science in Human Services from Gwynedd-Mercy University and holds her CAM designation from NAA and ARM designation from IREM. She also has the honor of being named AION’s Regional Real Estate Manager of the year in 2017.

Eric Chilton

Regional Real Estate Manager

Eric Chilton joined AION Management in 2020 as a Regional Real Estate Manager and oversees communities in Maryland and Virginia.

With over 25 years of property management experience, he has managed affordable and market-rate housing to included lease-ups, stabilized, value add, and student communities. Eric has achieved various awards throughout his career to include Property Manager and Community of the Year with Maryland Multi-Housing Association and served on the Board of directors with this organization. He also achieved the Humanitarian of the Year Award with a previous employer due to his work with the Baltimore County Foster Care Association. Eric has earned his CAM, CAPS, and COS certifications throughout his career and is currently a CPM Candidate with the Institute of Real Estate Management.

Patty Peters

Regional Real Estate Manager

Patty Peters joined AION Management in November 2017 as a Senior Real Estate Manager and was promoted to Regional Real Estate Manager in September 2018. Patty brings 30 years of experience to AION, having worked at Greystar, Home Properties, and Ridley Management in property manager through regional property manager positions. Patty holds a Pennsylvania Real Estate License and earned her BA in Business from West Chester University.

David Taylor

Regional Real Estate Manager

David Taylor is a Regional Real Estate Manager for AION Management. David currently oversees the Central, Lehigh Valley and Western Pennsylvania Portfolio. David comes to AION with over 16 years of multifamily property management experience, joining AION Management in April 2019. Prior to joining AION Management, he has worked for private and institutional owners such as Morgan Management LLC, Eenhoorn LLC and McKinley, Inc. During his tenure with these organizations, he was responsible for the oversight of multiple assets with an average portfolio size of 2000 units in Pennsylvania, Michigan, Ohio, Indiana, Georgia, Texas and North Carolina. David worked with a diversified portfolio of multifamily assets which included distressed, commercial, luxury, student, tax credit, senior and manufactured homes. He built successful teams that were committed to excellent customer service, managed capital projects, developed annual operating budgets as well as pro-forma budgets for new acquisitions. He also spearheaded strategic marketing plans to achieve occupancy and revenue goals. David has earned his BA in Business Administration from Baker College.

Alex Goodman

Regional Service Director

Alex Goodman is a Regional Service Director for AION Management in the Maryland and Delaware region. He brings with him a strong background in overseeing capital projects, training new employees, and implementing new policies and procedures. Prior to working for AION Management, Alex worked for Bozzuto Management overseeing multiple high-profile new constructions and acquisitions as a Service Director. He started his career in Property Management after graduating from Lincoln College of Technology with a degree in Heating, Refrigeration, and Air Conditioning. Alex also earned his A.S. in Business Administration and has his LEED AP credential in Operations & Maintenance.

Tim Hillegass

Regional Service Director

Tim Hillegass is a Regional Service Director for AION Management. Tim attended college at Virginia Commonwealth University in Richmond, VA and majored in criminal justice. Tim began his professional career as a commercial electrician with a life security company working on government and military contracts. He then made the switch to the multifamily housing industry as a Maintenance Technician with the Bozzuto Management Group. Tim was quickly promoted to Maintenance Manager and managed two Class A properties in Northern VA before moving across the country to run a luxury high-rise in Seattle with Windsor Communities.

Tina Garvey

Operations Associate

After receiving her B.A. in Anthropology/Archaeology from Penn State University, Tina went on to work for University City Housing Company for 18 years in the roles of Executive Assistant and Regional Manager. During this time she directed all aspects of the day to day operations of 1,200 units. In 2018 she left the industry to join the efforts of a non-profit organization that focuses on community service through the development of city beautification projects. Tina started her 2020 off by joining the AION Management team as an Operations Associate, where she focuses on the administrative effectiveness and efficiency of the organization.


Kristen Riley

Operations Associate

Kristen Riley is the Operations Associate for AION Management, where she assists in all areas of technology operations for the organization. She has been in the multifamily housing industry for over 15 years and has worked in many roles throughout her time in property management. She started her career in student housing as a Leasing Consultant and then an Accounts Receivable Specialist in the University City section of Philadelphia. During this time she was able to fine tune her skills in customer service to help develop superior resident relationship and account management skills. Prior to joining the AION team, Kristen was the Accounts Receivable Manager for University City Housing Company where she guided a team in overseeing the organization’s collections program and managing resident account issues and complaints. In addition to collections operations management, she also supported the onsite management teams with account policy and procedures as well as with the property management software -AMSI, Blue Moon, and Credit Retriever. Kristen attended The Pennsylvania State University and has a Bachelor of Arts Degree.

Support Services Team

Melissa Rotan

Training Director

Melissa Rotan began her property management career in 2007 after earning her B.S. in Business Marketing from Cabrini University. Throughout her career, she has served in various roles including Leasing Consultant, Marketing Assistant, Marketing & Leasing Manager and Training & Leasing Manager. Melissa previously worked at University City Housing Company for 12 years where she had the opportunity to create her own path for herself in the Training field. Melissa relishes working hands on with new hires and assisting in the upward growth of current employees. As the Training Director at AION, Melissa will create and implement training materials to ensure the understanding of the company’s policies and procedures.


Alicia Williams-Bey

Human Resource Specialist/Recruiter

Alicia Williams-Bey joined AION Management in February 2019, in a newly created role of Human Resource Specialist/Recruiter where she is involved in human resource functions of the Company, including Recruiting and onboarding. Prior to joining AION, Alicia was the Senior Human Resource Specialist at a nonprofit organization where she led recruiting and onboarding as well as other Human Resource duties including benefits, unemployment, payroll and new hire orientation. Alicia is currently attending Peirce College where she is pursuing a Bachelor of Science in Human Resource Management.


Kyle Duffy

Graphic and Web Designer

Kyle Duffy earned his Bachelor of Fine Arts in Graphic Design from the College of Creative Arts at West Virginia University. Kyle has 5 years of marketing and design experience within the multi-family housing industry. He joined the AION team in 2019 where he focuses on managing and designing websites, creating marketing collateral, corporate branding & social media marketing.

Lisa Meseroll

Social & Reputation Manager Lisa Meseroll joined AION Management in March 2020 as the Social & Reputation Manager, focusing on implementing online marketing strategies to increase engagement and enhance online reputation. Prior to joining AION, Lisa was the Marketing Manager at University City Housing where she designed and implemented marketing campaigns and managed advertising for over 4,000 residential units. She started her career in the multifamily housing industry as a Leasing Consultant where she was successful in supporting high occupancy rates and the renewal of long-term leases. As she advanced her career, she has mastered many roles in the industry including Leasing Consultant & Marketing Liaison, Interim Property Manager, Marketing Assistant and Marketing Manager. Lisa earned her Bachelor of Arts in Psychology from East Carolina University and holds her NALP designation from the National Apartment Association.


Jillian Cowden

Digital Marketing Associate

Jillian Cowden is a graduate from the Fox School of Business at Temple University, with a Bachelor of Business Administration degree in Marketing. She’s been interested in marketing and advertising for as long as she can remember and has a passion for constant learning amidst ever-changing tools and trends within the marketing world.

Before joining AION, Jillian worked as the Marketing Coordinator at EMC Outdoor where she managed the company’s social media, blog page, and email and digital marketing campaigns. Jillian works alongside the creative team at AION to help promote the AION “Best in Class” brand via digital marketing and email campaigns, website management, and social media advertising.


Sharon Keaser

Administrative Assistant

Sharon Keaser joined AION Management in February 2020 as the Administrative Assistant, where she assists with resident and vendor relations. Previously, Sharon was the Maintenance Coordinator at University City Housing, and also has experience as a Leasing Consultant. Before starting in the multi-family industry, she spent 18 years working with children with special needs. Sharon earned her Bachelor of Arts Degree in Psychology from Temple University.


Financial Services Team

Arnold Minott

Assistant Controller

Arnold Minottis AION’s Assistant Controller. Prior to his promotion, Arnold was a Senior Property Accountant at AION Management, overseeing a portfolio of properties and all accounting functions within that portfolio. He joined AION in December 2017 from Resource Residential, where he held a similar position. Prior to moving to the multi-family industry, Arnold worked in hospitality accounting with GF Management and the Gramercy Park Hotel. Arnold holds a BS in Finance from Temple’s Fox School of Business and his MS in Sports Business from New York University.


Mariah Jones

Property Accountant

Mariah Jones is one of AION’s property accountants, overseeing a portfolio of properties and all accounting functions within that portfolio. She joined AION in March 2020 coming from a public storage industry working as a property accountant for CubeSmart. She has also held the role of property accountant working at Mission First Housing Group. Mariah also earned a BS in Accounting from Shippensburg University.


Nelson Lagares

Property Accountant

Nelson Lagares is one of AION’s Property Accountants, overseeing a portfolio of properties and all accounting functions within that portfolio. He has joined AION in September 2018 coming from the textile industry where he held a corporate accounting role. Nelson earned a BS in Accounting from Peirce College in Philadelphia and is pursuing an MBA from Temple University.


Sonata Servetkaite

Property Accountant

Sonata Servetkaite is one of AION Management’S Property Accountants, overseeing a portfolio of properties and all accounting functions within that portfolio. She joined AION in October 2018, coming from the real estate company where she held a corporate accounting role. Sonata earned a MS in Accounting from Kean University and MBA in Finance from Seton Hall University.


Eun-Mi Kang

Treasury & Claims Analyst

Eun-Mi Kang joined AION Management in January 2019, in the newly created role of Treasury & Claims Analyst. Prior to joining AION, Eun-Mi worked in the investment banking field where she performed portfolio accounting and cash and stock portfolio management. She also has previous experience in financial management for a wholesale and distribution firm. Ms. Kang earned her BS in Finance from the Fox School of Business at Temple University.


Lori Belton

Accounts Payable Specialist

Lori joined AION Management as a Multi- Site Real Estate Assistance Manager in 2018 bringing over 20 years of experience in the Real Estate industry. Lori started her career at Drew University in Madison New Jersey, as a Residential Properties Coordinator. After leaving Drew she moved to Westminster Management Companies where for almost a decade she managed one of the largest apartment communities in the Kushner Companies portfolio. Lori takes pride in in her Multi-family communities, as she curates respectful relationships with residents and co-workers to ensure an enjoyable community environment. Lori recently joined the AION Accounting Department as the Accounts Payable Specialist, Lori has an associates degree in Business Administration and currently holds her NJ Real Estate license. Lori and her daughters are dedicated to service and the fight against cancer. They look forward to their annual service trip to the Ronald McDonald House and St Jude Children’s Research Hospital in Memphis, TN. They enjoy making crafts, hosting bingo and serving meals to the families, siblings and patients of St. Jude’s