About Management One
About Management One
Who We Are
Since 1983, we have leased and rehabbed thousands of homes and managed them as well. The success of any company starts with exceptional leadership as well as innovative and seasoned management. Management One has assembled a team of knowledgeable and experienced associates who, collectively, have over 125 years’ experience.
Our Competitive Advantage
“We love our clients and our clients love us”
The ultimate mark of any service oriented organization is its ability to continue to grow its number of satisfied clients and continue to expand its market share and to do so in a profitable and efficient manner.
Management One has achieved that mark by consistently improving and continuously enhancing its many services to all of its clients, its residents, its property owners, its licensees and its Realtor base. By taking advantage of its use of licensing and software, as a business strategy, Management One has a distinct competitive edge.
Over the years, we have called upon property management experts, technology gurus, and marketing professionals to help improve the many services we offer to our growing client base.
All of our business systems are fully integrated to ensure that we are continually fulfilling the needs of our customers and business partners. So, if we’re working with Realtors, residents, property owners, licensees or strategic partners, we take great care to insure that everyone is fully informed of every step of the process all along the way to a successful conclusion.
Our proprietary property management “M1” software system has been designed to link all facets of our numerous business processes to insure a consistent information flow to all relevant parties. The result is a much more efficient and effective operation which helps to keep our costs competitive while maximizing our profit opportunities.
Meet the Management One Team
Ron Sudman is the visionary behind Management One Systems, bringing decades of leadership, innovation, and expertise to the property management industry. Since beginning his property management journey in 1983, Ron recognized an early need for professional property management while working with clients in California’s Inland Empire. What started with the management of a single property quickly evolved into a thriving portfolio of more than 1,000 properties.
Through this growth, Ron developed proven systems, strategies, and processes that today support real estate professionals and property managers across the industry. His commitment to efficiency, accountability, and long-term success has helped shape Management One Systems into a trusted name in property management.
Highly respected among his peers, Ron is also a contributor to the Forbes Council, where he shares insights and thought leadership on key topics impacting property management and the real estate and property management industry.
Cheri Thomas
President
DRE# 01221212 / 01096906
Cheri is a Real Estate Broker and the President of Management One that was originated in 1983. Cheri has experience in all facets of property management. She is the co-founder of Management One and helped build the organization from the ground up, her experience comes from working in every position in the company. Cheri’s expertise in training and customer service has greatly enhanced the level of client satisfaction at Management One. Today Cheri oversees finance and administration for the company.
Krissia Peña
General Manager
DRE# 01414342
Hello, my name is Krissia Peña with First Choice Investments, proudly serving the Inland Empire and surrounding areas. With over 10 years of real estate experience, I specialize in Riverside, Corona, Fontana, Moreno Valley, and nearby communities.
I am also excited to step into my new role as General Manager at Management One Property Management, where I look forward to working with our amazing team to grow the company and continue delivering outstanding customer service. Together, First Choice Investments and Management One provide investors with the knowledge and support they need for smart, successful real estate decisions.
Tyler Sudman
Business Development Manager
DRE# 01926914 / 01096906
Tyler Sudman was born into a real estate and property management family with over 40 years of experience, so it was only natural for Tyler to pursue a career in the industry. He builds his relationships with his high energy and enthusiastic personality. A firm believer that relationships are the core of any business, Tyler strives to earn the respect, trust, and loyalty of every client.
He says: “I was always taught by my parents that ‘TRY’ is a failure word. Implementing that mindset into my business as well as my life, it has been a tremendous help and reminder to myself that I will not try, I will DO everything in my power to get the job done to make my clients beyond satisfied and exceed their expectations.”
Away from Real Estate, Tyler enjoys being with family, going to the beach with friends and working out.
Steve Hembree
Maintenance Supervisor
Steve joined Management One in 2015 as a property inspector. Steve has conducted countless inspections, completed hundreds of rehabs, and issued thousands of work orders over the years. When Steve is not conducting inspections, he can be found ghost hunting and spending time with his granddaughter.
Stephen Lee
Property Inspector
Stephen or Lee (as teammates call him), joined Management One in 2023. With over two decades of experience owning diverse multi-unit businesses, Stephen brings a wealth of practical knowledge to his role. Stephen holds a robust educational background, including a Bachelor’s and a Master’s Degree. When not inspecting properties, he invests his free time in his three boys, actively participating in their baseball, golf, and basketball activities, alongside enjoying precious moments with his wife. Stephen’s extensive background and commitment to family make him a one-of-a-kind part of the team.
Santiago Ulloa
Accounting Customer Service
Santiago recently joined our team in 2024, bringing 13 years of experience across various industries, including roles in accounting and marketing. With a degree in Business Administration, he adds valuable expertise to our organization. Outside of work, Santiago enjoys swimming and is passionate about sports like soccer, tennis, and table tennis. In his spare time, he loves to sing and play guitar, blending his creative talents with his professional skill set to enrich both his personal and work life.
Almer Ian Tingson
Accounting Customer Service
In 2024, Ian joined the Management One team. With over two decades of combined expertise in the Restaurant Industry, Pharmaceutical Sales, and Customer Service, Ian brings a new flavor to the team. This father and grandad, outside the professional realm – find joy in basketball and the freedom of riding motorcycles. In his spare time, he either stays productive with chores or indulges movie-watching.
Kristan Pennington
Manager/Accounting & Maintenance
DRE# 01750155
Kristan joined Management One in 2005 as a Customer Service Representative and has since built a well-rounded career by contributing to every department within the company. Her extensive experience and deep understanding of operations make her a valuable asset to both the team and the clients we serve. Outside of work, Kristan enjoys spending quality time with her family and nurturing her passion for gardening.
Kristine Alvarez
Leasing Consultant
Kristine boasts a multifaceted professional background that spans Customer Service, Online Telemarketing, B2B campaigns, and various Administrative Tasks. She recently joined Management One in 2023, anchoring on versatility and a resilient mindset. Apart from her professional commitments, those who observe her will surely find her engrossed in baking and savoring various movies during her leisure hours. Firmly believing in the adage “If opportunities don’t knock, build a door,” Kristine approaches life and her career with a proactive and triumphant mindset.
Joe Busico
Leasing Consultant
Meet Joe, our vibrant Leasing Consultant! He became a part of the Management One team in 2024. Joe previously worked as a customer service representative in the financial sector. His optimism and joyful personality light up every room he enters. He loves singing, dancing, and drawing, and in his spare time, he enjoys surfing the net and spending quality moments with family and friends. He believes, “Your smile is your logo, your personality is your business card, and the way you make others feel is your trademark.”
Rusian Mayol
Customer Service
With over 20 years of combined experience in the Food Service Industry, Rusian is well-versed in Operations and Customer Service. Rusian is a proud mom who finds joy in music and dancing. She is also an arts and crafts enthusiast. Guided by the mantra “Everything happens for a Reason” and “Got to Try in order to Fly!,” she lives life with purpose and embraces new experiences.
Joseph Elijah Malinao
Customer Service
Joseph joined Management One in 2024, bringing a diverse background in property construction and management, sales and marketing, and data analysis consulting.
Passionate about learning new skills, Joseph enjoys hiking, listening to music, watching movies, and traveling in his free time. A chess enthusiast, he also values quality time with loved ones. His favorite quote by Zig Ziglar, “You can have everything in life you want, if you will just help other people get what they want,” reflects his approach to both work and life.
Connie May Nacion
Customer Service, New Accounts
Connie joined Management One in 2022 and bringing in 15 years of experience in providing customer support. She worked as a Financial Analyst and Customer Service Representative. When not working, Connie spends her time with her family and two furbabies. She also loves to do unexpected road trips.
Connie strongly believes in Steve Jobs’ saying that “great things in business are never done by one person. They’re done by a team of people.”
Brenden Koritko
Property Inspector
Brendan is a USMC Infantry Veteran with a background in hospitality and customer service, as well as experience as a contractor in the carpentry field, performing historic renovation in Downtown Savannah, Georgia. Joining the team in 2025, he serves as a Property Inspector in the Moreno Valley, Perris, Temecula, and Riverside areas.
When not at the office, he can be found working in beautiful Temecula Wine Country.
Sarah Lomeli
Accounting
Sarah is our newest addition in the accounting department, having joined us in 2026, contributing experience in customer service, logistics, accounting, and schedule coordinating to the already well-rounded team here at Management One. She provides another avenue for meticulous, helpful service to our clients and enjoys staying busy by offering assistance to her teammates wherever she can.
In her free time, you can find her either reading or trying out new recipes in the kitchen.
What Our Property Owners Say About Management One?
What Our Property Owners Say About Management One
Posted on Google![]()
Mario JacoboSeptember 18, 2026
Steve is a very profesional person. We love the way he explain everything step by step. Really awesome person. He is always welcome to hour home.Posted on Google![]()
Max westSeptember 17, 2026
Hey jason did my inspection he was easy going most of all polite. Thanks a bunch..Posted on Google![]()
Khadija AustinSeptember 15, 2026
I had a wonderful experience with Management One Property Management, and I especially want to recognize my leasing agent, Joe Busico, for doing such an excellent job. Joe was professional, helpful, responsive, and made the entire leasing process smooth and stress-free. He kept me informed throughout the process, answered all of my questions, and made sure everything went smoothly from beginning to end. It was such a pleasure working with someone who was knowledgeable, patient, and genuinely helpful. I’m very pleased with my experience with Management One and would definitely recommend them to anyone looking for a property management company. A special thank you to Joe for making the process so easy and enjoyable!Posted on Google![]()
Tristan KnerlSeptember 14, 2026
Jason was great with the home inspection. He was quick and informational.Posted on Google![]()
Patty CanasSeptember 12, 2026
Kristine Kept us informedPosted on Yelp![]()
Patricia C.September 12, 2026Verified
Mgt One have been vey professional, and thorough in handling the process and Kristine Kept us informedPosted on Google![]()
Dona BartholomewSeptember 11, 2026
I have been looking to lease a home for a few months now. I started dealing with Kristine Alvarez from Management One. First of all, I had no idea that there were so many steps to the process. But Kristine worked with us to ensure the process was easier to maneuver. She was very thorough and patient with all the information and for my many questions. If I know anyone in the future who needs a management company I would not hesitate to refer them to Kristine at Management One.Posted on Google![]()
Melissa SutherlandSeptember 11, 2026
Thanks to steve and Jason for making the annual inspection such a breezePosted on Yelp![]()
Dona B.September 11, 2026Verified
I have been looking to lease a home for a few months now. I started dealing with Kristine Alvarez from Management One. First of all, I had no idea that there were so many steps to the process. But Kristine worked with us to ensure the process was easier to maneuver. She was very thorough and patient with all the information and for my many questions. If I know anyone in the future who needs a management company I would not hesitate to refer them to Kristine at Management One.Posted on Google![]()
Ibtehaj HeshmaSeptember 10, 2026
Thank you Mr Ian Tingson really you helped mePosted on Google![]()
Liz CastSeptember 9, 2026
Steve and Jason were so awesome when it came the annual inspection of my rental property! They were polite, and they were respectful of my space. Thank you to the company for hiring such professionals :)Posted on Google![]()
Patty CanasSeptember 8, 2026
Connie and team have been greatPosted on Google![]()
Jose PazSeptember 8, 2026
Excelente atencion, buena disposición para atender y facilidad para hispanohablantes, muchas gracias JoePosted on Google![]()
Donna GonzalezSeptember 6, 2026
This company is so great Steve is always so great when we have any concerns they are always there to help and if any repairs need to be done for the property it gets donePosted on Google![]()
Tristen ManeriSeptember 3, 2026
Rusian was very helpful guideing me thru the resident portal Easy and simple and super helpful and went thru everything with easePosted on Google![]()
Elsie RomeroSeptember 3, 2026
Jason and Steve are awesome and professionalPosted on Google![]()
Helen MylesSeptember 3, 2026
Ian tinhson great customer service. Answer my question with no hesitation. It Was a pleasure talking to him 5 stars all the way.Posted on Yelp![]()
Al Vincent F.September 3, 2026Verified
Ian is the man! Helped me quickly on my issue with my account log in with Management One. He even provided me his direct line so I can call him if I need help with accounting. This is great service!Posted on Yelp![]()
Mario J.September 3, 2026Verified
Joe is an excellent personal to talk to. Great service, very polite, explains everything step by spet. Very profesional!!!Posted on Google![]()
Robert LopeesSeptember 1, 2026
Lee was helpful throught the whole process and very professionalPosted on Google![]()
Tracy McDonaldAugust 31, 2026
Thank you Lee and Management One for all your help. If it wasn't for you I I wouldn't have stayed with Management One.Posted on Google![]()
ElizabethAugust 31, 2026
Thank you Lee for all your help. You've done an amazing job!Posted on Google![]()
Stephanie PeriorAugust 31, 2026
Thank you Lee for helping us resolve our issues and be helpful with getting vendors out to our property in a timely manner. Will recommend.Posted on Google![]()
Grace AnayaAugust 31, 2026
Lee was very helpful and had good customer service with my property inspection. Would recommend to others.Posted on Google![]()
Blake HernandezAugust 31, 2026
Thank you Lee for your exceptional support with our property. You really helped us out. Will recommend management one.Posted on Google![]()
Dante GreenAugust 31, 2026
Ian was very patient with me heard my issue and worked diligently to help me. I appreciate when people take the time to hear people out. Thank you.Posted on Yelp![]()
Angel G.August 29, 2026Verified
Joe Busico and Management One have been very easy to work with and have been very accommodating with helping us get into our apartment. Keeps you well informed and up to date with anything about the process and property. Thanks Joe!Posted on Google![]()
ElizabethAugust 28, 2026
Joseph's a big help. Awesome property mgt company!Posted on Google![]()
Chrissa LewisAugust 28, 2026
Ive had great experiences with the rental management team. Brendon is professional, helpful, responsive, and makes the rental process smooth and easy. I truly appreciate his communication and willingness to help whenever I have questions. I would definitely recommend them to anyone looking for a great rental agencyPosted on Yelp![]()
Marina A.August 28, 2026Verified
This week I had an HVAC emergency in 100 degree weather , I was so fortunate to have made contact with Steven, He went above and beyond to help me including reaching out to departments he doesn't work in to put in work orders and reach out to the contractors himself to make sure my situation was handled with upmost care.. Within the hour I had appts set up and options made available to me in the meantime making sure my well being was tended to above all.. He took the time to check in almost on an hourly basis until the completion of the project.. Having that level of care and concern is just one of the many reasons that make Management One an exceptional group of people . It was such a seamless experience with Steven and am both impressed and grateful.. MANY THANKS STEVEN.Verified by TrustindexTrustindex verified badge is the Universal Symbol of Trust. Only the greatest companies can get the verified badge who has a review score above 4.5, based on customer reviews over the past 12 months. Read more
Locally Owned and Grown
Areas We Serve for Property Management in Orange & Riverside County
Areas We Serve
We’re the logical choice for property management in Orange County and Riverside County, California.
We’re the logical choice for property management in Orange County and Riverside County, California.








