At Howard Management Group, we enjoy a casual but professional atmosphere. We believe that this plays a part in the strong relationships we have with both tenants and property-owners. Below are links to the ‘bios’ of each of our staff-members, as well as their contact information. We hope this section of the website will allow you to get to know us a little better, and help to promote a great relationship when you meet us in person!

Howard Greenburg

Howard Greenberg | President | Ext. 212 |

Howard is a native Los Angeleno. He has a B.S. in Commercial Recreation from California State University at Northridge. Howard was a realtor with Fred Sands Realtors in Brentwood from 1989-1995, and Gilleran Griffin Realtors in Los Angeles from 1995-2002. He started Howard Management Group in 1991, and opened Coral Tree Real Estate Services in 2002. In addition to Howard Management Group, Howard is also president of Coral Tree Realty, a boutique real estate agency serving the greater Los Angeles area.

Daniel Sloan

Daniel Sloan | Vice President | Ext. 206 |

Daniel Sloan oversees client and tenant relations, maintenance, leasing and accounting operations. Please contact Daniel at if you are interested in discussing services and management rates. Daniel received his B.A. and M.B.A. in Business Administration from Azusa Pacific University, and is also a licensed Real Estate Broker. Daniel is also a licensed and insured Notary and currently a candidate for CPM accreditation with the Institute of Real Estate Management.

Nancy Marquez

Nancy Marquez | Leasing Manager | Ext. 202 |

Nancy handles all of our new rentals, including the application and lease-signing process, in both English and Spanish. She has a B.A. in Social Sciences from the prestigious “Universidad Central de Venezuela”, and is a licensed Realtor with Coral Tree Realty.

Joe Herrera - Area Coordinator

Joe Herrera | Area Coordinator | Ext. 204 |

Joe is our Area Supervisor for all Vacancy Turn-Overs. We’re glad to have him as our eyes and ears “in the field”. He also handles the majority of our Spanish-language calls.


Katherine Tillit | Leasing Agent | Ext. 211 |

Katherine supports our Leasing Department and fields our rental calls, processes applications and aides in our advertising of available units. Katherine can be reached at Ext. 211 or


Stephanie Spracklen | Maintenance Manager | Ext. 201 |

Stephanie fields the maintenance requests from our residents and Owners. She develops relationships with local vendors to achieve affordable pricing for quality workmanship.”

Tiffany Addison | Accounting Manager | Ext. 208 |

Tiffany now heads the Accounting team and is responsible for the financial activities and transactions of the properties under management, as well as handling all Monthly Reports and Owner Disbursements. She is a graduate of the University of Alabama, with a B.S. in Economics, and also holds a M.A. in Finance from Temple University’s Fox School of Business.


Lowelon Nara | Accounting Support/ Office Manager | Ext. 210 |

Lowelon supports and assists our clients, tenants vendors with the payment of invoices.

Chris Gonzalez | Building Operations Manager | Ext. 205. |

Chris Gonzalez handles large scale repair projects and acts as our liaison with all City and Government Housing agencies.

Randall Corcio | Maintenance Technician 1