About
Specializing in Residential, Commercial and Land, Plus Real Estate was formed to bring a collaborative approach to acquiring and selling assets. A team assembled with a diverse background focused on due diligence, highest-and-best use analysis, global marketing and record breaking sales.
Experience ranges from mixed-use to large-scale commercial to luxury estate sales. The scope of expertise demonstrates the most discerning level of comprehensive services tailored to the full spectrum of real estate brokerage services. A history of record-breaking sales and confidential off-market transactions, Plus Real Estate Group offers unparalleled representation.
- Commercial
- Residential
- Land
- Mixed Use
- Hospitality
- Office

Partners
Headquartered in Los Angeles with offices in New York, Dublin and Dubai, Plus Development is a real estate development management firm specializing in design oriented projects in the residential, multi-family, commercial / hospitality, creative office and retail sectors from site acquisition through to ownership and sale. The company was formed based on a passion for real estate and the desire to collaborate with the top firms and individuals in our industry, from Architects, Interior Designers, Engineers, General Contractors, Corporations and Business Partners.
- Project Management
- Development Management
- Construction Management
- Design
- Loan Monitoring
- Expert Witness
- Cost Management
- Dispute Resolution
- Real Estate Brokerage
- Due Diligence
- Lenders Representative / Fund Control
- Design / Entitlements Management
- Procurement Management
- Schedule Management
Plus Design Studio is a full service design firm based in Los Angeles. With a focus on custom residential homes and commercial office we offer a range of services from concept design, schematic design, construction administration to interior architecture and furniture design.
We are keen on simplicity and believe that a project is best executed when all of its elements can be reduced to its purest form. Passionate for materials, light and space we design each project to match a narrative inspired by its geography and intended use.
- Residential
- Commercial
- Interior Design
- Feasibility & Concept Design Study
- Tenant Improvement
- Hospitality
- FF&E
Tyrone McKillen
Co-Founder, Plus Real Estate
Tyrone is the co-founder of Plus Real Estate, a leading brokerage responsible for over $2 billion in sales volume and the primary team specializing in marketing and selling development projects, land sites, and new construction properties.
Tyrone is also the co-founder of Plus Development, an internationally recognized development management firm responsible for developing some of the most important residential and commercial projects in LA, with projects in Miami, New York, Dublin, Ibiza and Mozambique.
Tyrone has spent most of his life working on the development and sales of luxury properties around the world. His background in development has given him the capability to inform clients on investment opportunities and cost analysis, as well as provided him a keen eye for architecture and design. Born in Dublin, Ireland, Tyrone moved to Los Angeles at the age of 18. After earning his BA in Environmental Science at UCLA, Tyrone partnered with Hilton & Hyland and Christies International Real Estate and set multiple records across the City. Tyrone later moved to Compass and continued to strengthen his career developing and selling some of the highest sales in the city.
A luxury broker for over 10 years, with the highest commitment to service, hard work, integrity and discretion.
$1.5 Billion Closed Over Career
Record Breaking Deals
$57.25m sale in Malibu – highest price / sf sale in Country
$90m sale in Bel Air
$60m sale in Bel Air
$58.5m sale in Bel Air
$88m sale in Holmby Hills
$36.75m land sale BHPO
$37.5m land sale Bel Air
$32m land sale Beverly Hills
$67.5m commercial studio in Hollywood
Ariana Gaffoglio
Co-Founder, Plus Real Estate
Ariana Gaffoglio is the co-founder of Plus Real Estate, a premier luxury real estate brokerage that is redefining the industry with its commitment to innovation, exclusivity, and a client-first approach. Ariana, alongside her co-founders, built the firm from the ground up, positioning it as a symbol of sophistication and trust for ultra-high-net-worth clients across the country. Her visionary leadership has been instrumental in shaping the company’s mission, expanding its national presence, and fostering a culture of excellence. With nearly two decades of experience and more than $1.5 billion in career sales, Ariana has solidified her reputation as a top producer in the ultra-luxury market. Licensed in California, Nevada, Texas, Colorado, and Florida, she possesses unparalleled market knowledge and an extensive network of discerning clients. Ariana is known for her ability to close high-profile, multi-million-dollar transactions with discretion and precision, and her expert negotiation skills are a hallmark of her approach. Ariana’s expertise spans residential sales, strategic investments, new developments, and long-term portfolio management. She works closely with clients to provide bespoke solutions, adopting a family-office approach to ensure their real estate assets are positioned for long-term wealth and growth. Through Plus Real Estate, Ariana continues to set new standards in the luxury sector, delivering a high-touch experience that is meticulously tailored to each client’s unique needs and aspirations.
Rob Giem
Co-Founder, Plus Real Estate
Rob Giem, co-founder of Plus Real Estate, has been representing buyers and sellers of coastal property in Newport Beach, Laguna Beach and coastal Orange County for over three decades. Clients appreciate his knowledge of the market, strategic marketing sense, as well as his ability to negotiate favorable outcomes. His dedication to his clients has created lasting relationships with extraordinary trust. Rob focuses his marketing efforts on creating attention for his listed properties while working effectively behind the scenes. On many occasions, he has negotiated transactions for clients involving properties not offered to the public.
Megan Fatemi
Director
Business and marketing / branding development professional with 15 years of experience in the real estate industry. Specializing in the luxury real estate sector in Los Angeles and amassing over $350M in sales annually as well as ranking #1 nationally for record breaking sales. Over the course of her professional career Megan has managed over $2billion in transactions from multi family, commercial, and raw land to the highest priced estate in the Country.
At Plus Development, Megan’s involvement spans across portfolio management, property due diligence and underwriting, cash flow and budget management, project analysis. Specializing in client representation during all phases of the property development process from master planning, site selection, land use approvals, team selection, bidding, and overall management of the design and construction process.
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Andrew Hurley
Director
Raised by a Carpenter, Andrew has always been surrounded by Construction. After graduating College majoring in Construction Engineering Technology Management, Andrew started his career off working with the top Real Estate Advisory firm in Toronto, Canada providing consulting services for a wide array of asset classes to corporations, developers, lenders, sureties, investment funds and government agencies across North America. Andrew later worked for two separate Fortune 500 companies in Los Angeles, CA where his main focus has been utilizing his international experience in the industry at all stages of the development process from project feasibility analysis’ to project/development management. Andrew’s primary focus is in the luxury residential, hospitality and commercial fields for projects ranging from $1 million to over $2 Billion in construction value.
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Neil O'Connor Cox
Director
Neil O’Connor Cox graduated from the Dublin Institute of Technology in 2010 before joining Irelands Leading Quantity Surveying practice where he specialized in multi-family and commercial development across Ireland, UK and the Middle East. Neil spent 5 years involved in the luxury high rise condominium market in Toronto, Canada where he specialized in construction finance, construction loan monitoring and project management. A construction cost expert, Neil brings a wealth of experience from different markets worldwide to the luxury residential and commercial market in LA.
John Dunne
Director, NY
John moved to New York City in 2012 after beginning his real estate career in Ireland and then South Africa. After gaining international development experience in the residential and hotel sector, he focused his attention on the high end residential markets of Greenwich and SoHo, building luxury homes and boutique condo developments. Through his unique understanding of New York City’s complex zoning and building codes, coupled with a key focus on creating lasting relationships, John has the ability to efficiently guide clients through all phases of the development process.
Cameron Smith
Real Estate Advisor
Since launching his real estate career in 2015 as an executive assistant for development management firm Plus Development, Cameron Smith has become involved in some of the highest-profile sales and leasing transactions across the U.S. Helping to facilitate the closings of over $1 billion in property transactions, Cameron has a growing industry footprint primarily incorporating Malibu, Bel Air, Beverly Hills, West Hollywood, and Hancock Park.
Inspired by his background in design-focused projects, Cameron loves to pair his buyers with the perfect home while touring some of the world’s most unique properties. A significant factor in achieving his clients’ goals is using his naturally intuitive skills to understand their needs — sometimes even before they do.
Max Hutchison
Real Estate Advisor
As an LA native with over a decade’s experience in the industry, Max possesses an intimate grasp of Los Angeles’ neighborhoods. Max plays a pivotal role in aligning properties with high profile clientele. He specializes in identifying off-market opportunities for those seeking their dream homes and collaborates with developers and investors on ground-up construction projects. His expertise extends from Bel-Air, Brentwood and the Pacific Palisades to sought-after San Fernando Valley locations like Studio City, Sherman Oaks, and Encino.
From Max’s extensive portfolio of off-market opportunities and new construction projects, he has facilitated exclusive deals, tailoring to the needs of clients and investors seeking bespoke residential sites or new developments.
Michael Piechowski
Project Manager
As a native Angeleno, Michael has seen first-hand how the Los Angeles real estate market has taken shape over the past ten years. Son of a mechanic, who doubled as a carpenter that built his childhood home, Michael knew from a young age he wanted to be involved in the business of real estate and construction. He began his career with a boutique firm based in West LA. It was there he sharpened his aptitude for the trades and gained a deeper understanding of the nuances involved in buying/selling and building real estate in Los Angeles.
Michael quickly came to understand the importance of constructing and designing top quality homes, so he supplemented his sales knowledge with design and project management. This has allowed Michael to provide his clients with the full suite of information, pertinent to real estate transactions. Michael joined the Plus Development team in 2015 and is currently managing over 200,000 square-feet of residential development projects in the design, planning and construction phases.
Michael was born and raised in Mar Vista, California. He attended Loyola High School in Downtown Los Angeles. After graduating from Loyola he attended the Ohio State University.
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Alexa Kort
Real Estate Advisor
Los Angeles native Alexa Kort launched her real estate career in 2019 and generated $100 million in her first year alone. With a roster of noteworthy deals to her name, Alexa’s transactions include a $14.795 million newly remodeled mid-century residence; film legend Doris Day’s prior estate at 713 N Crescent Drive — selling it twice in one year; a $10.5 million Beverly Hills home snatched up by a celebrity couple; and a $6.45 million Moroccan-inspired estate that sold for the highest price per square foot to date in Beverly Grove. With her work featured in the likes of Dirt, Haute Residence, and The Real Deal, Alexa was concurrently recognized as a 2021 and 2022 Top Producer, one of America’s 2022 Best Real Estate Professionals, and an LA Top REALTOR®.
Primarily serving Beverly Hills, West Hollywood, Sunset Strip, and Bel Air, Alexa leverages her background, track record, and robust network to expertly cater to all buyers, from first-timers and families to developers, celebrities, and athletes. Having grown up in a real estate family where she frequently accompanied her father to construction sites, Alexa can spot a superior quality property among the merely mediocre. From a service standpoint, she always has her buyers’ best interests at heart and wants them to find the right home at their own pace, guiding them with her easygoing nature, strong market knowledge, and intuition. Beyond her clients, Alexa has paid her rapid success forward by mentoring and onboarding a handful of young female agents in the industry.
Alexa lives in Beverly Hills, and her relationship to real estate is as personal as it is professional. She flipped multiple homes with her father and bought several investment properties in Manhattan Beach and Beverly Hills Flats. Away from work, Alexa serves on various boards, including Reverse Rett, Women’s Guild Cedars-Sinai, and Holocaust Museum LA. She is also a Children’s Hospital LA benefactor.
Chance Earnest
Junior Project Manager
Born and raised in Los Angeles, Chance earned a degree in real estate from California State University Northridge. Pulling from his background in real estate valuation, sales, and television production management, Chance brings a deep understanding of real estate markets, growth opportunities and project management to the Plus Development Commercial team. He remains informed on ever evolving state and local zoning laws to offer value-add propositions and high & best use opportunities to each Project. Chance takes great pride in building long term relationships based on honesty and integrity with clients and team members alike.
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Jamay Shook
Real Estate Advisor | Aspen
A Columbia University alumna, Jamay began her real estate career in 2010 within one of New York City’s top brokerage teams, where she specialized in luxury rentals and sales. Her ascension in real estate was marked by the same grace and precision that characterized her ballet career, allowing her to rapidly succeed as a leading figure in one of the world’s most competitive markets.
Jamay has carved out a distinctive niche in the real estate market: a specialization serving high-net-worth family offices, and guiding them in the acquisition and profit maximization of real estate assets. This intimate and rigorous role requires both strategic breadth across a family’s portfolio, and emotional tact in diplomatically working with various advisors – while upholding ultimate discretion.
At Plus Real Estate Aspen, Jamay calls on her national network, cultivated over a decade in New York City, to introduce young families to the Aspen/Snowmass market and enrich the community with new vibrancy and diversity. Jamay holds a profound connection to Aspen, shaped by childhood visits, skiing excursions at Buttermilk, and performances with the Aspen Santa Fe Ballet. Her love of the arts and Aspen’s natural beauty infuses her professional expertise with both personal passion and deep local knowledge. In line with the Aspen culture, Jamay’s life is deeply rooted in the values of family, community, and the outdoors.
Her exceptional blend of skills, drive, and local insight has cemented her position as the top Individual Rental Broker Agent in the Aspen market for two consecutive years, 2022 and 2023. At the pinnacle of the segment, her rentals are almost unrecognizable from the conventional image: a recent lease was signed for $2.5 million. By vetting aligned candidates for an under-used property, rentals are one of the key ways she advises families in activating the value of their real estate assets to globally grow their net worth.
Leah Moriarty
Real Estate Advisor | Aspen
With three decades of unparalleled expertise and an exceptional reputation, Leah Moriarty is a distinguished figure in Aspen Snowmass’s real estate scene. Leah is celebrated for her deep understanding of both the market and the community, and although she would never say it – is a local icon. Leah’s skills are reflected in her accolades: she holds advanced qualifications in real estate law, contracts, and negotiation, earning her the esteemed GRI, CRS, and CNE designations — a distinction shared by fewer than 5% of her colleagues. As a Realtor of the Year and Past President of the Aspen Board of Realtors, Leah consistently ranks among Aspen’s top producers. Her success is fueled by a dedication to client satisfaction and a knack for handling complex transactions with clarity and integrity.
In 2020, Leah joined forces with her son Walker. Espousing a modern family business, they are seamless collaborators who bridge diverse skillsets and mindsets. This integrated approach has led to growth and new opportunity, while continuing to build on the solid foundation that 40 years in a small place like Aspen Snowmass will solidify. Leah’s graceful guidance in both logistical pain points and emotional transitions allows for ease and trust in the relationship. She is also expert at staging a home and helping clients see new possibilities.
The core of Leah’s drive is giving to her community. When not giving through real estate, she is giving through multiple other ways: whether it’s hosting a large Thanksgiving dinner or offering advice. Her mantra, “Life works when you give; it’s just more fun,” embodies a philosophy that transcends her work. People know she is guided by warmth, generosity, and steadfast dedication to her family and community.
Walker Moriarty
Real Estate Advisor | Aspen
Born and raised in Aspen, Walker Moriarty’s knowledge of the village runs deep. He began his real estate career as a child, setting up signs for his mother as she showed houses. The family business was, and continues to be, real estate and construction. Walker combines this deep connection to Aspen with a broader vision cultivated through education, travel, and work. He studied Business Management from Dickinson College, where he gained acumen and leadership skills as the captain of the football team. After school, Walker developed meaningful connections and perspectives as an international volunteer in Thailand, Vietnam, and Uganda. Later, he moved to New York, where he thrived at a technology firm, ultimately becoming its Head of Partnerships. Walker significantly boosted the firm’s revenue and honed his marketing, branding, and people management skills.
In 2020, Walker returned home to Aspen equipped with this breadth of experience. Joining forces with his mother, Leah Moriarity, Walker has amplified her legacy approach with fresh insight. Growing together, they have earned recognition as a top-producing team in terms of volume and transactions. They are deeply rooted in their respect for the Aspen Snowmass community and hold genuine love for their clients. Through a 40-year presence in Aspen Snowmass, they honor the profound personal aspects of selling, buying, or renting a home. In Aspen, work and life go hand-in-hand. Walker is an active mountain biker, golfer, and skier and brings this dynamism into the office. The Moriarty business runs on giving back and caring for their cherished community; Leah is known to say, “it takes a village”.
Peter Grenney
Real Estate Advisor | Aspen
Peter relocated to Aspen in 2007 after success in San Diego managing boutique multifamily projects to pursue development projects. His portfolio includes a notable land entitlement deal, project management of a high-end home on Red Mountain, and involvement in the pre-development stages for a Discovery Land Company project in Barbuda, crafting a solid foundation for his brokerage career.
Before Peter Grenney came to real estate, he studied Urban Planning and was interested in creating authentic communities as an antidote to suburban sprawl. This focus on place-making led him into real estate development, and eventually to found his non-profit – Civic Aspen – that focuses on increasing local community engagement. His genuine ties to Aspen also gives Peter a unique understanding of its complex micro-market; his people-orientation allows him to communicate this understanding with clarity and simplicity.
Peter’s gift of systems-thinking and genuine curiosity has led him to learn and gain skill in multiple arenas. His multifaceted experience – from development to contracting, urban studies to civic engagement – has given him a bird’s eye view of real estate on a personal and community level. His advanced knowledge in many specialized arenas (planning, architecture, engineering, and sales/marketing) gives his guidance a robust and balanced perspective.
Allie Dresser
Licensed Assistant to Jamay
Allie is one of the lucky few who was born in Aspen and raised in Snowmass Village. After graduating from Aspen High School, she went on to Saint Mary’s College in Notre Dame, Indiana to continue her education. Upon earning her degree in Business Administration with a concentration in Marketing and Management, Allie quickly made her way back to Snowmass Village. Moving away made her realize how special her hometown truly is. Real estate is the perfect career match for Allie, so she can share the magic of Aspen Snowmass and help others realize their mountain living dreams. For the last seven years, Allie has been a licensed assistant to two top producers. As an assistant to a top sales producer, she helped sell over $400million in two years. Switching gears, Allie worked under a top rental producer helping with over 100 rental transactions per year.
Whether you’re renting or buying, she is passionate about welcoming new members to the mountain community and lifestyle. When Allie’s not in the office, you can find her on the slopes; either chasing the coveted 100 ski day pin each winter or hiking the surrounding mountains in the summer.