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Our Southeast Houston Team

  • Mary-Helen O'Leary President and Owner

    Mary-Helen is the majority owner of HLC-SHE and brings a year of experience in the lawn care industry. She holds an Irrigation License (LI0028676) and a Commercial Pesticide Applicator License (0909844). Her previous roles include CFO and other finance positions in tech and family offices. Mary-Helen entered this business to address the need for excellent customer service and respectful treatment of employees and clients. She holds a degree in Accounting from Texas Christian University and an MBA from Chicago Booth. Known for her punctuality and budget adherence, Mary-Helen is committed to delivering outstanding results.

  • Nathan Hammond Fertilization, Weed Control, and Mowing

    Nate has approximately three years of experience as a lawn care specialist, having worked with companies such as TruGreen and Grassmaster Plus. He also brings with him a Master of Science in Biology from Louisiana Tech University, combing academic knowledge with hands on experience. Nate excels at finding cost-effective solutions for lawn and ornamental bed issues.

    Nate had his applicators license in Massachusetts and New Hampshire, and holds his Texas Commercial Pesticide Applicator License (0950797).

  • Ramiro Rivera Irrigation and Landscaping
    Ram has over twelve years of experience in irrigation and landscaping. He has encountered and resolved a wide range of issues in irrigation systems and quickly identifies problems. He has previously worked for local companies such as Plantation Irrigation and Landscaping and ABC Home & Commercial Services. Ram enjoys watching YouTube videos to stay updated on the latest techniques and technologies.
  • Karla Quiroga Marketing Coordinator
    Karla Quiroga: Marketing professional with 14 years of experience and a passion for customer service and customer satisfaction. Proven skills in strategic planning and problem-solving, with a dedication to effective company management.