Meet The Team

Sheri Isaacs

Founder | Team Leader  

DRE# 00959297 


Sheri Isaacs is the founder and team leader of Sheri Isaacs Real Estate Group, Inc. Licensed since 1987, with hundreds of satisfied clients, Sheri has the expertise and experience to help guide each transaction successfully. As team leader, Sheri oversees all aspects of the business. As listing specialist, Sheri consults with home sellers and puts the wheels in motion to help achieve their highest objectives.

Terry Yapp

Independent Broker Consultant

DRE# 00840241 


During his successful career, Terry has served over 1,700 homeowners and investors in transactions totaling over $750,000,000. Terry has been recognized as a Top Realtor in Orange County by the Orange County Business Journal. He has served as Director of Orange County Association of Realtors, Professional Standards and Arbitration member, President’s Award of Excellence recipient and donor to OCAR Cares.

Lina Tufenkjian

Realtor Associate

DRE# 01850271


Lina was raised in Australia and worked in the advertising and marketing industry. Lina and her husband have been a homeowner in Pacific Hills, Mission Viejo for 21 years, where they raised their three daughters who all attended local schools and junior college. Lina’s clients appreciate her dedication and desire to assist them in finding a wonderful place to call home! Her friendly nature and strong communication skills, combined with extensive knowledge of the South County real estate market, make Lina a solid choice for home buyers seeking professional representation.

She is a member of the Orange County Board of Realtors – OCAR, California Association of Realtors – CAR, and National Association of Realtors – NAR and recently completed a certification for “At Home with Diversity” where she now has the knowledge to assess and understand the attributes of diversity in the local markets and their impact on the real estate industry.

Katie Solo


DRE# 02169505


Katie is a Valedictorian graduate, an avid church attendee and volunteers in the community. She has been residing in Mission Viejo for 5 years with her husband who was born and raised in Mission Viejo and attended the local schools and colleges. After several years of working in marketing and business development for a local medical company, she stepped into the real estate world. Katie’s friendly personality, strong marketing background, and can-do attitude make her a wonderful addition to our Agent Team! 

Erin Montoya

Closing Manager and Licensed Assistant

DRE# 01882874 


As Closing Manager, Erin’s job is to provide concierge level service to our clients from contract to close. Dedicated to client satisfaction, Erin handles many of the “behind the scenes” details that ensure our escrows run as smoothly as possible, relieving some of the stress inherent in this major life event – selling and/or buying a home. With Erin’s excellent communication, quick response-time and caring guidance, you can be assured that your escrow experience will be a positive one. 

Julia Offenberger

Marketing Coordinator

As the Marketing Coordinator for Sheri Isaacs Real Estate Group, Julia manages all Home Marketing and Advertisements, Website Management, Email and Newsletter Marketing, Social Media and CRM Management. 

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