diff --git a/main.go b/main.go
index fbbd276..1c2098d 100644
--- a/main.go
+++ b/main.go
@@ -6,6 +6,27 @@ import (
 	"net/http"
 )
 
+type Person struct {
+	FirstName string
+	LastName  string
+}
+
+type Instructor Person
+
+type Participant struct {
+	Person
+	Company string
+}
+
+type Briefing struct {
+	Instructor
+	Date         string
+	Time         string
+	State        string
+	Location     string
+	Participants []Participant
+}
+
 func main() {
 	mux := http.NewServeMux()
 	mux.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {