All participants will receive receive 4 individual sessions with an interventionist in addition to the standard post-hospital HSCT information for patient follow-up care as provided by the patient's oncologist

Participant will be sent a baseline survey, and will then be contacted by the interventionist to complete 4 sessions, which feature the following areas:

Session 1: Identifying CG Needs for Information & Support, Communication with Healthcare Team

Session 2: Communication with Patient and Family

Session 3: Self-care: Emotional & Spiritual Needs, Self-care: Physical Needs

Session 4: Re-Assessing Needs, Planning for the future

Caregiver Acceptability as measured by Acceptability Scale scores. Overall score ranging from 6-30. According to prior research, a score of 80% of higher (total score of 24 or higher) is considered acceptable for use.

Caregiver Usability as measured by the System Usability Scale. This is a 10 item scale scored on a 5 point Likert scale with total summed scores ranging from 0-50. Total scores are multiplied by 2 to produce an overall score ranging from 0-100 with scores > 68 considered to be above average usability

Caregiver Satisfaction scores as measured by Likert Scale. After completing each module, they will be sent via REDCap a single item evaluation scale (0 -10; 0=Not at all satisfied; 10=Highly satisfied). Scores >7 will be considered acceptable. Mean and standard deviation will be reported.

Feasibility as measured by percent of enrollment of eligible participants

Feasibility as measured by intervention completion

Feasibility as measured by percent of participants retained in full study (aim: 90% retention at the end of the 2-month intervention)

Caregiver Distress as measured by NCCN Distress Thermometer scores

Caregiver Anxiety as measured by PROMISR Short Form v1.0 - Anxiety scores. Scores range from 1 to 5, with higher scores indicating worse anxiety